Don't care if it's AI, as long as it's well made and consistent. The biggest issue this game has is consistency in the art style. I kinda like the newest one, the old ones were kinda meh. But it's in sharp contrast to the beginning of the game.
While I despise AI, I'm willing to make a exception for this game in specific because I'm already invested
However, imo, The current problem isn't the AI art itself, it's both the lack of transparency from the Dev, not disclosing his use of AI when he clearly is, and like you said, the inconsistent drawings that comes with it, sometimes two drawings look like completely different styles even though they were made in the same update
If it really is just art style change, this is the most abrupt and fast art style change I've ever seen, going by just his Patreon posts and the game itself