The punctuation I used, which you most likely got confused over, just signals pauses when one would read the sentence aloud.
"Other (thoughtful pause) better builders (brief pause) scoff at his tower."
Not trying to be elitist or anything; but I am most likely coming off as one. :P
Not exactly sure what Isar has to do with anything either, my building skill is irrelevant as I am not the one who is in the video. ;)
Nothing at all, I was just continuing Block's reasoning. Though all this explanation has blown the comment out of context.