Here's a reason not to update to Windows 11:
If the latest Windows 11 really wants to use Edge, it will use Edge nomatter what

Microsoft Windows 11 build 22494 prevents links associated with the Microsoft Edge browser from being handled by third-party applications, a change one developer argues is anticompetitive.
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Microsoft is not doing this for all web links – it hasn't completely rejected browser choice. It applies the microsoft-edge:// protocol to Windows 10 services like News and Interest, Widgets in Windows 11, various help links in the Settings app, search links from the Start menu, Cortana links, and links sent from paired Android devices. Clicking on these links will normally open in Edge regardless of the default browser setting.

"Microsoft isn’t a good steward of the Windows operating system. They’re prioritizing ads, bundleware, and service subscriptions over their users’ productivity."

The article mentions why the 'open this link in this browser' feature was invented - by Google Chrome, to overcome Apple's insistance on opening links in Safari.

My guess is that this is an attempt to divert advertising from Google Chrome - which is the most-used browser - to Microsoft Edge. But I suspect Google will not be easy to embrace, extend, and extinguish