If you are really that paranoid just get a LTSC license or use a different OS. The whole „cleaning up and shutting up“ windows craze kickstarted a whole new industry of snake oil and malware.
The main goal of Windows Ameliorated is to restore privacy, and it does this by removing said spyware on an executable level, not by just simply using registry edits or what have you.
Some people desire or require Windows, but they don't want the included spyware. Windows Ameliorated is for those people.
Do not use, do not download, do not touch.
It's based on the premise that Windows is spying on you which has never been proven/shown in the first place. Yes, Windows 10/11 send a ton of DNS queries - it's _not_ spying. Yes, Windows 10/11 send mini crash dumps and EXE files hash sums to Microsoft - that's _not_ spying.