Prior to the addition of of Warp Relays this never really bothered me much, but now it's a serious annoyance causing endless faffing around. Friendly Dysons, zombie ships and minor faction allies like the resistance ships and nebula ally ships have a tendency wheile they're flying around to poke their noses into AI-controlled adjacent planets. This causes a low level, but constant generation of threat on these planets. While 12-18 spare threat ships is no real issue by itself, or even much of a threat when/if it joins up, it builds warp relays, which *is* a threat. And needs to be constantly wiped out. Worse still, when I eliminate the threat on a world, but later another 12 ships get activated into threat, they *sometimes* seem to start building the warp relay from the same point that it was at when I last knocked it over. This is even more hazardous as it means I'm much more likely to not spot a warning in time.
Is there a way to stop my allies from stepping onto AI worlds? If not, is my only real solution to turn off warp relays? They're a nice mechanic in general, but this is kind of annoying.