All screens were squares til like nearly 2010. Heck I have an early Nvidia GPU laptop around here somewhere with the most ridiculous looking 1:1 screen from like '08-ish.
Still, those were fun and don't get as much nostalgia as arcades, for some reason.
If you wanted to offer the same "we'll run these on decent hardware you probably don't have today" each seat would be like 5 grand to build and you'd need to somehow power 20-30 1000W machines running all day, so that's a bit of a challenge when everybody has high speed internet. It was easier to do that when people either didn't have Internet at all or were on dial-up modems that couldn't sustain playable games at all. The hardware you couldn't afford then was networking, which was cheap to set up and maintain for LAN by comparison.
I mean, it's not gambling because you weren't getting any money back at any point, but if you were leaving your Ultima Online character mining while you went to class, spending money on running a computer when you weren't even looking at it... well, I'm gonna say there are better ways to keep yourself from problematic gaming.
In some cases it got pretty wholesome, where groups of friends would just hang out in the one place that kept running the game they liked. There was this one basement grungy spot in town that started running Quake 1 and just... never stop. Those guys could railgun you mid-flight from a bouncepad on a ball mouse and we all decided it was better to leave them to it.