I wish I had that hope. I've seen people who in person I've had intelligent, rational discussions with on areas we disagree, then post virulent political posts that tear apart strawmen arguments. I actually quite like this article because it paints this out as why we do it. With someone we disagree with in person, they're still part of our tribe. We know them, we like them, we trust them. With someone on the internet, they're 'the other'.