> How can you argue against the author's immeasureable words/phrases like "very high", "low", "laziness", or "idleness"

That's not what's happening at all. Taneq is saying nothing about the relative nature of those words. They are arguing that the author is making an inference in the wrong direction.

> especially considering that you are relying on anecdotal evidence yourself

Talking about cultural roles is the opposite of an anecdote.