Mobile games are not really games, in the way I think of games. There needs to be another word for it. I have never spent one single penny on any mobile game.
This one is actually an issue with perception, not game design. And also the nature of the stores that sell these.
There's a bizarre idea that things like Angry Birds... AKA, the sorts of games you are thinking of... are the only things on there. This is entirely untrue. I've been into mobile gaming for a long time now... with the iPad being my preferred handheld device for gaming... and I dont even play games like that. I've bought some 150+ games on there. Nearly all of them are exactly the very sorts of games I play on the PC here. Things like full roguelikes, bullet-hell shmups (there are ALOT of those), survival games, and various others. These things all exist in very high numbers. However.... they arent Angry Birds, you see. So the App Store never shows them, and in general, players never hear of them. You have to know where to look, in advance, to find games like these. The "big guys", the heavy publishers, are WAY too good at drowning things out so that only their stupid non-games are shown anywhere. Things like Candy Crush and whatever damn things there are. So everyone thinks that's all there is.
The "entitlement" bit, though, when I speak of it in relation to mobile, is NOT about the "non-games". I dont really get into those, so I dont follow what happens around them. No, I'm speaking of the sorts I play, where there is alot of ACTUAL content, and actual depth of gameplay. A really good roguelite can go for 10-15 on PC. A game of the same type, same quality, and same size, will go for like, 2 to 5... and will get people whining and whining, because OMG IT COSTS MORE THAN 50 CENTS. This is where the problem appears. The braindead "major" games may be free (though even THAT isnt actually true, when you look at their MTX schemes), but that doesnt mean that everything should be. When you're getting games like the ones I'm thinking of.. yeah, expect to freaking pay for them.
But to address the new Binding of Isaac "expansion" specifically, Afterbirth+, from everything I've read it is deserving of its negative reviews. It's not that the content is bad per say, but from what I've read, it's that it feels rushed and uninspired. People say that if there are difficulty increases, it's primarily due to the fact that the game screws you over with bad luck, not because it's become more challenging to play skillwise.
One BIG issue: People jumped into "reviewing" this RIGHT after it released. Even Edmund has already stated that they're aware of a number of the balance issues, though, even then, I think people are very dramatically overreacting. As usual, many gamers cant handle jumps in difficulty. If there was genuinely anything unfair or broken, I'd spot it. The only problems I've seen: Portals spawn things a bit too fast. Stone Fatties appear a bit too often. Vis boss is a little busted. Final boss is TOTALLY busted. Greedier mode needs longer timers and Stone Fatties shouldnt appear in it. But other than those things? Skillful play will indeed bypass ALL of this. The game seemed pretty darned tough to me at first, but... a day later, not so much. And I'm not even all that good at Isaac, honestly, yet still, ONE day is all it took. And yes, I"m aware that difficulty tends to warp around me, but I've had people I know tell me similar things; even if they're taking a bit longer to do this, it's still happening for them too.
But alot of players... with LOTS of games... go in and, if they get clobbered, give up immediately, whine, and leave. As opposed to, you know, fighting to get genuinely better. It doesnt help that Isaac was WAY too easy before as it was; there was no need to be good at it to start with, and most people just plain arent. Frankly, it's still easy-ish, though it's a nice step up.
The main problem though was that, as I've repeated often, this expansion was never about content to begin with. The content is just a bonus: The ACTUAL point is the mod tools and support. Lots of players though are going into it COMPLETELY expecting Antibirth, an "expansion" that's PURE content. These are very, very different things, and the comparison honestly doesnt make any sense. And it's not like Antibirth isnt without it's issues (frankly, I had a very "meh" reaction to it... I see it as having alot of problems). But yeah, the point of AB+ is, as Edmund put it, them effectively handing the game off to the community, ending the project for the devs, but letting the community then take the reins. Of course, one issue is that the game JUST came out: nobody has had time to make "big" mods yet.
....Also Antibirth is going to be merged with AB+ anyway. (EDIT: Oooookay. After reading the written intentions of the dev that made Antibirth, as it relates to this, well.... Let's just say I facedesked, broke the table, and will simply pretend from here on out that I've never heard of Antibirth. Dont even ask, just smile and nod. If anyone I know mentions it, I'm going to throw stuff at them until they leave)
As for the original Afterbirth, that release didn't actually go all that well. It was a bloody mess when it initially came out; I was there for all of it. Which honestly is why I expected the current situation. Heck, the Azazel Incident alone, as I call it, was a nasty thing. Lots of flames flying everywhere.
Not that there's anything wrong with criticism on content as a rule... stuff like the Void area is a little bleh. But still, there's alot of good there. Yet still, people losing at first will then decide "THIS AINT WORTH ANYTHING, I didn't GET INSTANT GRATIFICATION". Which is a form of entitlement as far as I'm concerned. Of course the whole instant gratification thing is a whole other topic, yessir...
overwhelming number of quality games
There's more to say here but I was interrupted halfway through by a dog, and have now forgotten it. I'll add more later.