You can’t get rid of it, you can only hide it: Microsoft imposes controversial Windows Backup on users::Like it or not, the Windows Backup app installed in Windows 10 and Windows 11 is here to stay, with Microsoft calling it a “system component” that can’t be
Probably an unpopular opinion, but I don’t see a problem with subscriptions for commercial software. Fixing bugs and security issues after release is an ongoing effort that costs money, so a one-time purchase isn’t really economically viable in the long run. I honestly wouldn’t feel comfortable using unmaintained software that might contain known but unfixed vulnerabilities.
Have you checked how much money Microsoft have recently? Their current model doesn’t appear to be a problem for them.