>The various US services don't want it
Are you sure the services want out of it? That would be very good news, and common sense. But I don't remember serving senior procurement-relevant members of the armed forces going on the record and suggesting to ditch it.
I am sure you can get dozens of anonymous pilots off the record. But the input from the boys and gals at the tip of the spear doesn't outweigh lobbyists, no sirree.
As far as the Marines go, they got the best end of it - the thing is crap partially because it is a multirole design saddled with all their requirements - so their incentive to bail is even less, they might as well pray that it will somehow muddle through into a decent aircraft at some point.