It's a lot more rewarding to bet against conventional minded people than to try to convince them.
— Paul Graham (@paulg) February 11, 2016
Neatly explains why less argument happens than might be expected.
Plus two random (unconnected) bonus tweets:
"Studying liberal arts is important because it teaches you how to *think*"
"Is there *evidence* for that?"
"I dunno, I studied liberal arts"
— Joel Grus (@joelgrus) February 13, 2016
Final results. pic.twitter.com/xGD1d3Iwgl
— Adam Kay (@amateuradam) February 14, 2016