If anyone is surprised that gamergate, Breitbart and Milo etc were a hive of white nationalism, this how they depicted Anita Sarkeesian. pic.twitter.com/QuKHDOuG2q

— Spooky Boogie (@CaseyExplosion) October 6, 2017

If you have time, read the entire thread.
TL;DR recap: Alt-right uses geek culture to promote Nazism.