Sparse use in notable places, if at all.
Not as the dominant lighting devices throughout the home.
I’ve a couple CFLs in hard-to-reach seldom-used locations (garage, porches) where replacement is a pain and light quality is irrelevant.
Point is that that aside from a tiny number of isolated applications (look, this is a blog post, not a comprehensive tome detailing all exceptions, variations, and justifications - reasonably understood generalizations are the norm, and attacking them for lack of total comprehension is stupid), most/many people who have smashed a mercury-based light has reconsidered further use.
Somehow despite the widespread usage of fluorescents in kitchens, places that are rife with kids underfoot, nobody ever considered the breakage of a tube there (and they each have more mercury than the screwbulbs do) to be an event worth anything more urgent than a good sweeping, vacuuming, and mopping — and that for the sake of the broken glass.
The only place I have them is in “always on” locations.
Turning these things on and off shortens their lives to about 1/4 that of an incandescent (in my experience).