I think if Solo players want carriers then only the "solo player" owners should be able to refuel it, if they let other players refuel it's just a double standard, they cried so hard that it was going to be unfair not letting them be able to have one by themselves then let them carry the responsibility. If they allow the carriers to be refuelled by other commanders then they should be available to be purchased by a squadron, otherwise, it makes a mockery of the Squadron machinic and everything that Squadron are supposed to be (or should be). And when it comes down to it, if solo players couldn't afford to make their own squadron to get a carrier then they were never going to afford a carrier anyway.....
Ah yes, gamedesign-by-spite, cant see that fail.