IPON

I don't see Jubaji as a troll. As Tom states what he does that tends is pulls people cards when they make "claims". So they have to do a little more research what's the hard. So I would not call that adding nothing. Could he provide the info instead of just saying "you're wrong tough guy", of course, but then where is the education and exploration for truth.

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A person who is said to be proficient in the arts is like a fool. Because of his foolishness in concerning himself with just one thing, he thinks of nothing else and thus becomes proficient. - Hagarkure