Well... maybe they're both. Plus a kooky crypto-embezzlement cult. Probably depends on who you get. My skepticism to the EA movement is of the form: I can respect the underlying idea but I have very little faith in many of the actual people to do it.
Also, EA sorta bakes in utilitarianism as a premise and (from my experiences in the ACX comment section) basically finds any non-utilitarian argument to be literally unintelligible, which doesn't work for me because I think there are more important things in life than optimizing numbers (... but since they evaluate the worth of things by number-optimization they seem to be unable understand this perspective at all).
Also, EA sorta bakes in utilitarianism as a premise and (from my experiences in the ACX comment section) basically finds any non-utilitarian argument to be literally unintelligible, which doesn't work for me because I think there are more important things in life than optimizing numbers (... but since they evaluate the worth of things by number-optimization they seem to be unable understand this perspective at all).