It's crazy to think that the level of border control we have today would be unfathomable to someone even 100 years ago. If we go a bit earlier, how could you even ID someone without photographs?
It's true that a big slice of gamers play games with anti-cheat solutions that don't work on linux. That said most of those aren't even on steam, which is the biggest pc game marketplace, so I'm not sure it's that big of a dealbreaker for that many people.
They made an actual reality show competition with prizing based on squid game. It's all just aesthetics to these people.