One of the most important moments in cinematic history is in The Social Network, when Mark Zuckerberg's girlfriend looked him in the eyes and said: "You're going to go through life thinking that girls don't like you because you're a nerd. And I want you to know, from the bottom of my heart, that that won't be true. It'll be because you're an a**hole."
The world is full of pretentious douchebags, and they are rightfully mocked on the subreddit I Am Very Smart. People who flex and flash their "intelligence" like bodybuilders do muscles are painfully obnoxious...and likely, painfully insecure.