Yea, another way to look at the new attrition-feedback mechanic is as a munitions-boost except that it's:
- planet-wide
- stackable
- affects all outgoing damage, not just that by ships not immune to munitions boosting
- is very statistically "spiky" compared to munitions boosting (only applies when you kill something, then applies all at once)
- much lower percentage wise
In fact, in that light, the percentages are so low that I wonder if it isn't underpowered compared to munitions boosting. But I think combined with the normal attrition damage it works out to a generally useful unit.