No. Nothing about MacOS prevents users from installing alternative OSes. Even with Apple's custom chips, that remains true. It's only that it's a smaller target that limits options as fewer people are writing software for that hardware than for x86.
See Asahi to verify[0]. I've been a donor since the week they opened a Patreon account.
At Asahi's pace, the A18 Pro will be able to install Linux in about 8 years.
> Nothing about MacOS prevents users from installing alternative OSes. Even with Apple's custom chips, that remains true.
Reminder that the possibility of installing a third-party operating system on Apple hardware is not a given. The same silicon is used in iPhones and iPads where you absolutely cannot install another operating system.