>>11822478 (OP)I mean you get a bunch of youths together without much adult supervision, there was probably the occasional dust up and that alone is enough to get an exaggerated reputation even in a mostly peaceful place. The middle / high school rumor mill was a crazy thing back then, people said all sorts of stupid shit.
Besides that I'd imagine the amount of actual fights would depend heavily on the individual place, already being in a rough neighborhood (maybe gang presence), how late are they open, is alcohol / drunks present, that sort of thing. The arcade at my local mall was fine, never felt like a dangerous place even as a small child and I think that would be the norm for most people.