I should note, I'm on Windows 10 Pro 20H2, joined to a Domain. Maybe that has something to do with the outcome.

I'm on version 20H2, so I'm going to assume so. It's possible it affects builds before that as well -- I just don't know when Microsoft decided the PE environment would be determined off of this...

I registered to warn you to stay away.:

Enabling this setting will accidentally trigger your Powershell environment to believe it is Windows PE instead of full fledged Windows 10. This is the...