

Mir is a pretty notable example. In 2013, around the same time development on Wayland sessions was picking up for the other desktops, Canonical decided to try doing their own incompatible thing and designed their own display server system to replace X for the then-upcoming version of their Unity desktop.
Ubuntu switched from Unity 7 to Gnome 3 before Unity 8 and Mir were ready, leaving both projects abandoned by Canonical and handed off to the community. Long after it had already lost what little relevance it had, Mir eventually was converted into a Wayland compositor.


Google doesn’t even have a motive to try evading this. Legally mandating that they collect user IDs means that they get to collect more personal data under the guise of compliance, and can also market the increased privacy invasion as a “child safety” feature.
ChromiumOS doesn’t need to comply, according to the current bill, but Google has no reason to ship it preinstalled on any consumer devices.