I know he's a beloved character, but why do people ignore the fact that Wally is, I don't know... sort of selfish, sleazy, and a bit of a slob?
There is evidence.
In his 1987 run, he went to a future where he was worshipped as a god and enjoyed it. He didn't do much to downplay his role AT ALL. You can say that future didn't matter, but at the time those were real people with thoughts and feelings and what he was doing was unethical.
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During the human race, he sat on a a small planet... crushing who knows how many people? He says "their atmosphere," suggesting that it is DEFINITELY POPULATED.
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People already know this one, but he's unabashedly smelly. This is referenced many times, which is just gross. Immature, crass, and childish. People look up to him?!
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There are other examples of Wally just being a jerk. For example, anyone recall how nasty he was to Kyle Rayner in the 1990s JLA? Just because Kyle became a hero in adulthood rather than during his youth like himself. He immediately hated Kyle because he wasn't a born hero. Yes bad stuff happened to him, but please don't forget the fact that Wally is a smelly and often sleazy slob.