You don't realize how hard he makes games. (I don't care if he said anything about the difficulty making games or whatever, that's just a guess.)
First, that is a fan game with a cool idea of making it 2D and pixelated.
Second, nobody asked if lacks originality or whatever related to that, or even your opinion about. This game may be the first replica of FNAF being 2D on itch.io, and you complaining about it without knowing it.
Third, there are very people who appreciates his games, i not forcing you to. But you should join them. Like asking to be dev to give him more ideas and less time to make games or collaborating with him.
Please support what he's done for public, the FNAF community or the itch.io community.