They didn't disclose it because they wanted to get away with it.
It's the main splash art for your game! The first impression! And this is what you were okay with?
Clothing that makes no sense? A backwards hand? Fucked up cart?
If you don't care to make it, why should I care to play it?
Milly
1666: Amsterdam has come under fire for using AI art in its promotional material and in-game.
1666: Amsterdam has come under fire for using AI art in its promotional material and in-game.