> There’s a certain type of person who reacts with rage when anyone points out flaws with <thing>. Why is that?

FIFY, it's not endemic to here or LLMs. point out Mac issues to an Apple fan, problems with a vehicle to <insert car/brand/model> fan, that their favorite band sucks, that their voted representative is a PoS.

Most people aren't completely objective about everything and thus have some non-objective emotional attachment to things they like. A subset of those people perceive criticism as a personal attack, are compelled to defend their position, or are otherwise unable to accept/internalize that criticism so they respond with anger or rage.