Those examples are terrible. Other than the AIDS question, a real discussion of the other two is likely to start out "no, but ...", and much more open-ended in

Those examples are terrible. Other than the AIDS question, a real discussion of the other two is likely to start out "no, but ...", and much more open-ended in practice than perhaps the author wants to admit. Just like the answer to "Why do remote meetings suck so much" is likely to be "they don't, per se, but..."