You raise a really fair question, but as of August of this year they had a 76% market share in the U.S. I agree with you that price is king(cheapest) and on st

You raise a really fair question, but as of August of this year they had a 76% market share in the U.S. I agree with you that price is king(cheapest) and on stickiness. Unfortunately, at the moment, they are the dominate service.