I've talked with a Nutaku dev on this. Due to tight deadlines, they had to outsource the edits. They knew they fucked up when the art returned but there was no time to fix anything so they pushed through. They want to fix these mistakes. It'll take a maintenance period to replace art so they want to do it as a batch job, not a string of hot-fixes that frequently interrupts play. They can't stop editing at all, but they'll be more careful now.