“You can't game on a Mac”

Apple silicon GPUs are capable, Metal is a serious graphics API, and real AAA titles now ship native Apple silicon builds. Cloud streaming covers a good deal of the rest.

The genuine blocker is not performance, it is anti-cheat. Kernel-level anti-cheat is written for Windows and routinely refuses to run on macOS or inside a virtual machine, which rules out a large slice of the most-played online games however fast the Mac is.

So the accurate version is narrower than the myth: you can game on a Mac, but you cannot rely on playing whatever your friends are playing this month.