If you ran a breeder like a broadbent system then it won’t work.
They now need 2 full 4x4 floor tiles and 1 4x4 high completely unhindered to feed and breed.
It’s perfectly possible to still build a system that auto drops piglets. And you don’t need to dig a bloody great pit to do it!
https://steamcommunity.com/sharedfiles/filedetails/?id=2535802717