> such as Linux

Before anybody thinks "surely they can't ban all linux users", they don't need to. The systemd folks are also working on a startup that is building verifiable computing into Linux via systemd. So, we have no choice on the matter anyway. It could become of choice of approved distro vs non approved distro.

> So the bad timeline is the one in which the industry gradually transitions to

We have been on that timeline for every other tech transgression. There are no signs that this will be a different timeline.

They would have to start by banning Apple users. Apple does not support attestations from consumer devices. Apple has said multiple times they see it as a consumer privacy violation.