I do know the 170's are outfitted with 69 seats, but I also know that they have more than the 39 aircraft you stated... so, who doesn't know what they are talking about?
Yes they are too expensive. The money they made were on CURRENT contracts, not new ones. They aren't going to be able to obtain NEW contracts because their CURRENT costs are TOO high... you need to look ahead to the future. Hell, maybe you are in denial, who knows?