Not at all.

OP posited that the author didn't know what he's talking about. I pointed out that the author has far more knowledge and experience in the field than rando internet griefers on HN who immediately reach for "shoot the messenger" when they read something that doesn't neatly fit into their pre-conceived worldview, instead of perhaps learning things from other people.

But at least your trope acknowledges that he's an authority on the subject.

> I pointed out that the author has far more knowledge and experience in the field than rando internet griefers on HN

You mean, you guessed that a random person online lacked experience. The experts are genuinely here too.

> OP posited that the author didn't know what he's talking about.

That position does not appear to be present.