I can see why many people would find these traits off-putting—in fact, that's kind of why the Athenians sentenced Socrates to death!— but I also hope you can see why they're important, so I thought I'd share a couple of examples.
In the first clip, we have the famous Argument Clinic skit from Monty Python, in which a fundamental disagreement about just what exactly an argument is (in the technical sense: a collection of statements connected to establish a definite proposition) leads to another sense of an argument (the one understood more colloquially: a quarrel, or mere contradiction between disagreeing parties).
And, thanks to former President George W. Bush, here is a great and hilarious example of what can happen when you don't define your terms clearly:
Looks like the choice is yours: would you rather be thought nit-picky or an absolute idiot? ;)