But then the smaller text (on the side bar, profiles, signatures etc.) would be too small!If it's too big, you should zoom out. It's as simple as that.
Yeah, we'll all get used to it.I don't mind it. After a short adjustment period, I think it will seem normal with the bonus of improving innate accessibility for people with mild vision problems. I can't see (no pun intended) a downside to the change.
I do understand the discomfort of "getting your cheese moved" but I don't think that's a reason to not switch anything. I recall when the forum moved to a new platform people were up in arms for weeks but now it's never mentioned.