The miscommunication is that you presume "That doesn’t mean", whereas the whole discussion is about whether that's desired or not.
I’ve explained my reasoning against the utility claim. If you want to defend it, do so. It might be reasonable, but you haven’t offered anything other than substituting it with a different argument.
In the public utility metaphor, utilities were not defined until they became defined. There's no reason to discount a possible category of "utilithing" that shares some properties with the existing one but not others.
It might be that I missed your explanation (was it in a sibling thread?), but in this thread I don't see a consideration for that idea. "They are not so vital" is not an argument against it, but your personal value judgement.
So 5% of all adults? Yes, I just made up that number, just like you did.