Well, I’m sure the blind readers of HN (which I am certain exist) can answer this question, and you, a sighted person, don’t need to even wonder from your position of unknowing.
It appears from the outside that you've decided this is Officially Bad technology and aren't genuinely seeking evidence otherwise.
There's almost no reply here with a use that is a) not somewhat bad and b) has enough of an upside to compensate the downsides.
Except maybe this one, but I do know enough about accessibility to know how blind people generally use computers, which is why I asked the question.