> do most people prefer Alexa (or find it easier) over pointing and clicking? Yes.
Objection: counselor is drawing conclusions from facts not in evidence
If a point & click interface -- say, a light switch -- doesn't require me to cross the room or get out of my bed/chair, I am definitely going to prefer the unambiguous non-verbal method for turning the lights on.
Verbal interfaces always interrupt any conversations I'm in, even if it's just talking to myself