By that metric, no OS, software, or hardware vendor should be trusted, ever.
Don’t try this at home, kids.
Even testing can be a complete crapshoot, and on an advocacy level, you don’t ever want Linux noobies to be dumped into a shell.
Keeping up with sid, or Arch up to date, is a hobby in itself.
For some it may be a very sensible hobby, but for those who get in bad mood because they feel “forced” to reboot their system once a month, not so much.
Let’s not even get me started about Debian stable or why it needs a software repository called “backports” For the curious, it remedies the problem of stable having increasingly outdated software, by offering more recent builds “back ported” from unstable
With that out of the way, there’s certainly room for improvement as far Windows Updates are managed.