csrutil disable
Restart computer
In the terminal, type
sudo open /Applications/TextEdit.app /System/Library/LaunchDaemons/com.apple.ManagedClient.enroll.plist
change
<key>com.apple.ManagedClient.enroll</key>
<true/>
to
<key>com.apple.ManagedClient.enroll</key>
<false/>
So that the changes take effect
So I'm on Ventura 13.0 and have been since I got this M1 out of the box. Before Sequoia comes out I'm going to try and upgrade to Sonoma tomorrow with the directions in this thread. I really really really hope it works.