Apparently youre missing the point.......... there should be no reason their squaddies cant follow......... I guess you think its the guy who wants the blue trucks fault for wanting a blue truck?
Theres no legitimate reason
That's a bad analogy. I want a blue truck, I buy it. If it has only two seats and a no-return clause in the sale contract, and I intend to keep my promise to 6 friends that we'll depend on this truck to go on a road trip, then it certainly isn't the dealership's fault when 5 friends are left out to dry.
If you want your squaddies to fly with you, you go into the arena where they can get in. The alternative is no arena caps, which leads to all but a minuscule number of players in one of the two arenas. Which is back to the same bad gameplay dynamic that we had a couple of years ago. The only way to keep the arenas well distributed in players isn't to depend on them to evenly distribute themselves (as history shows and as you admit yourself) but to enforce it with caps.