Funny thing is, they're the biggest (well aside from Bombardier that were forced into a fire sale and are a shadow of themselves now) loser of the whole story. Airbus got a brand new and very good design for practically free because Boeing were stupid and short-sighted.
Well, they can't be that bad if the FAA will to listen to them. I can recall another transportation company who is able to have legislation passed for their soul benefit.
https://en.m.wikipedia.org/wiki/CSeries_dumping_petition_by_...