preview update

I don't want these updates at all, because it doesn't add anything to the value of Windows 11, because they're essentially beta in all but name AFAIK, I'm not signed up to the insider program, which is even weirder, because all the tips of stopping this is to sign out of the program , and I...

I accidentally installed a Preview Update, and I want to know how Preview Updates are patched later (since everyone is saying they are optional/for early testers and contain a lot of bugs): Do they get patched by another Preview Update the next month? Or, do they get patched by a regular update...