I don't know how Monterey differs from iOS, but while I initially dismissed the new focus features as irrelevant, I quickly realized how useful they can be. Specifically I blocked all work-related notifications when I was on vacation.
Allowing for one-time customizations doesn't add to my ongoing "useless information to process" queue.
It's just another means to an end that isn't much harder than what you could do before. I'm on mojave and ios 13 and I do the same by going to system preferences and hitting the checkboxes in my work account section.
Allowing for one-time customizations doesn't add to my ongoing "useless information to process" queue.