

I think there’s a lot more to it than cost. Men, even with considerable health care resources, are often very averse to mental health care.
Thinking of my father in law, for example, I don’t know how much you would have to pay him to get him into a therapist’s office, but I’m certain he wouldn’t go for free.
My understanding is many of the ones that are only rated for water have additional nooks and crannies where the liquid you are carbonating can get trapped, yielding nastiness over time.