Spoilers for a 13 year old game that got retconned anyways
For those who don't know, at the end of Fallout 3 you have to go into a heavily irradiated room to prevent a big water purifier from exploding. Your character will die but your act of self-sacrifice gives everyone in the wasteland clean water which had been very rare up to that point. However it's been previously established (explicitly and several times) that supermutants are immune to radiation, and the game has a very prominent supermutant companion: Fawkes. You would think you could just ask Fawkes to go into the radiation chamber, but no, you get this incredibly stupid line and are forced to kill yourself. Fawkes up to this point has been very selfless and one of the kindest characters in the game.
Like how do you fuck up writing your game so badly this situation is even possible?!
There 2 factors to this:
playing/watching things as a kid and seeing past its flaws because kids don't usually notice if something is bad
in the current era of the internet for most people the worst thing you can be is Cringe. The easiest way to be cringe is to like something people consider bad. Combine this principle with (1) and you'll have people defending things to the death they enjoyed but ignored/unnoticed why/how it was bad. This is why you have 20-30 something who were kids defend the Prequels to the death, along with other bad things like FO3