We are not aware of the reasons but, maybe not so many players are available on this platform yet. Still, there are few ways to run Rainbow Six Siege on MAC OS, such as installing Windows on MAC using software like Bootcamp. But we do not recommend you to do that because you may face several errors doing that.

Can you play r6s on Mac?

No, it is not possible to play that game directly. If you have access to Nvidia GeForce Now, it's on that service for remote play. Or use Boot Camp to install a copy of Windows on your Mac.

Can Rainbow Six Siege run on a laptop?

Tom Clancys Rainbow Six Siege will run on PC system with Windows 7, Windows 8.1, Windows 10 (64bit versions required) and upwards.