Not quite, the problem is that Anticheat regularly bans emulation software, ie Wine, and they don't really want to do anything about it. They could simply flip

Not quite, the problem is that Anticheat regularly bans emulation software, ie Wine, and they don't really want to do anything about it. They could simply flip a switch and Wine would work with their Anticheat. Plus, they do have a separate stack for running on Linux in case the product supports Linux, so that's no excuse either.