Back to the high seas it is.
I'm not paying for 5 streaming services to watch 1 show on each. So now I'm paying for no streaming services.
Convenience as a reasonable price was the deal. It it neither convenient nor reasonably priced any more.
Cable TV all over again. Region locked DVD all over again.
Of the many grievous faults of Windows to pick on, file system permissions like this are not one.
As admin you have permission to change ownership and override permissions. And a relic copy of the OS folder is going to have some of the most restrictive permissions possible.
I would expect similar behaviour on any modern OS.