Oh sorry - I misread your suggestion! I thought you were talking about separate matchmaking logic for known cheaters, but you're asking about opt-in matchmaking for those willing to use invasive anticheat.
The example still kind of applies. In the CS world, serious players use Faceit for matchmaking, which requires you to install a kernel-level anticheat. This is basically what you're suggesting, but operated by a 3rd party.
The example still kind of applies. In the CS world, serious players use Faceit for matchmaking, which requires you to install a kernel-level anticheat. This is basically what you're suggesting, but operated by a 3rd party.