IMO the real solution is back in community servers and votekicking.. It works on old games with no anticheat measures..

Maybe add some blatant detection for people teleporting and doing other absolutely impossible things serverside, but I don't understand why my team has to ruin their 'reputation' teamkilling a cheater so he doesn't ruin the game completely in most current games when the anticheat only catches free, old cheats. Just let people votekick and find someone else in the matchmaking queue who's willing to join halfway through.. Once votekicked enough times you can escalate to the AI (always indians) for automated (manual) review.

Also, you don't even have to ban cheaters. Just isolate them to play with each other. Some might find it fun and keep away from the normal players.

Edit: The 'issue' with community server manual review and votekick is you can be kicked for being cracked or garbage at the game legitimately, but TBH at this point you're ruining the fun of everyone else, so you should probably get in another server/match.. Also that premades can have majority, but that's easily solved by reducing their vote weight.

I mean not really, as someone that had been votekicked from many games. Servers with admins does solve this, but has it's drawbacks. But you also cannot have the matchmaking type of game that are popular today.

Back in MW2 if you were the host you could kick players from your game using a cli tool that adjusted firewall rules.