Just about every campaign is happy about this screwup from Warren, Biden, Klob, Yang, to Booker (lol). Iowa won't be eliminating anyone.
The only campaigns that should be upset are Buttigieg's and Sanders. Pete won't get any Booty Bounce from an Iowa top finish and while Sanders might be happy that his under performance is somewhat obscured by Iowa's screwup, his campaign should be very worried that in a state which is demographically friendly to him, Bernie couldn't boost turnout over 2016 numbers or beat a neophyte Mayor. He didn't move the needle on electability one bit.
The only campaigns that should be upset are Buttigieg's and Sanders. Pete won't get any Booty Bounce from an Iowa top finish and while Sanders might be happy that his under performance is somewhat obscured by Iowa's screwup, his campaign should be very worried that in a state which is demographically friendly to him, Bernie couldn't boost turnout over 2016 numbers or beat a neophyte Mayor. He didn't move the needle on electability one bit.