In the pro version of Win 11 when it asks you to sign in, it's still possible to select:
- Set up for work or school
- Next
- Sign-in options (very small link)
- Domain join instead
Then it lets you to add a local account. Knowing MS, they probably will prevent this too soon.
I've been using the Android theme for a while and wouldn't go back. It makes no sense trying to make a Android app look like a iOS app.