For me, I think it's because most of the trolls aren't just like "no you!" they'll write a wall of text full of half lies that you feel like you should at least

For me, I think it's because most of the trolls aren't just like "no you!" they'll write a wall of text full of half lies that you feel like you should at least repudiate for future redditors to know that you're right, and the troll is wrong.