I’ve heard it’s quite fun to stay there

It’s an It’s Always Sunny reference!

If you stop the subscription, you don’t get upgrades. But you keep whatever the last version you had, it’s not locked out by a license check.

Check out this rather extreme example: REVS on the BBC micro https://youtu.be/p5s-zbXtDoo?si=5UWDROP2HtGQSiut

You don’t own the sky, nasa does!

Thanks for the info, I was not aware