Difficult to be effective when it's disabled by default.

>Also restore points?

By using System Restore, you can undo these changes without affecting your personal files

https://support.microsoft.com/en-au/windows/system-restore-a...

Thus System

> Difficult to be effective when it's disabled by default

The initial goalpost was lack of any protection / no alternatives to onedrive

What other "restore point" functionality does Windows offer by default?

> The initial goalpost was lack of any protection / no alternatives to onedrive

The context was "uneducated users"; they're unlikely to know they could enable controlled access.

They're further unlikely to be able to handle the application problems it introduces such as games having problems saving their state which why it's disabled by default.