We have countless articles on this system that praise alternative approaches to dealing with markets. This post is entirely about part of one individual's alternative approach.
Maybe that's clearer if we use a description more precise than "throwing in different questions:" lying.
Or that they will incorrectly discount things that you say in the future. But then that's one of the reasons that lying is so often a bad strategy in the first place.
You are correct that some time, though probably not too much, would be wasted in discovering the above. I do see your point.
I felt that was part of the author's point too; "lying is so often a bad strategy". Perhaps the common ground between our approaches to the article is that he should not be surprised that his bullshit question elicited a bullshit response.
There's no need to anyway. People who don't know what they're talking about usually disqualify themselves quickly enough without any leading questions.