This (see link) is not true???
??
That said, the process you describe sounds best if one wants to do a clean / fresh install, which is often practical & desirable... (My wife has gummed up her desktop beyond me being able to otherwise fully clean it up!)
That article only applies if you install on a supported machine.
Microsoft allowed the clean wipe and install bypass so the computer nerds would not boycott it. They are split between wanting to enforce the new standard and wanting people to install 11
You can try the directions in this article.
https://www.windowscentral.com/how-upgrade-unsupported-computer-windows-11