They never asked for one becase they never imagined being able to afford one.
The amount of administration organizing a normal household takes I suspect most would be glad to leave to someon/something they trust and that can be held accountable.
Today that someone needs to be a person (imo). But who knows, a startup may be plotting accountable digital assistans as we speak.
I have zero use for AI. What's it going to do? Read the 3 emails about bills I get?
Certainly someone out there has a use for this functionality, but when you say "household admin tasks" the last thing I think about are /digital/ admin tasks.
But that's absolutely not what he's describing. He wants not to think about it, that's exactly the opposite of a disorder.
Anyway, an LLM assistant is also exactly the worst technology to use there, on every dimension.
That quote has an unexpressed precondition to the effect of "In order for an organisation to be objectively well run..." or "In order for an organisation to equitably benefit all stakeholders at all levels..." etc