David Mark is an anti-jQuery crusader. He is known for speaking ill of people who use the library as well as the developers (John Resig in particular). He insists that jQuery is responsible for all of the sites across the internet that have JavaScript errors.

See http://www.reddit.com/r/programming/comments/7vul9/some_tech... http://www.reddit.com/r/programming/comments/8ndyw/jquerys_l...