Making the bang bus more popular

[CutterJohn]

Air goes faster, so less warning over the base and faster transit times. It flies over CE. Most infantry and land vehicles can't reliably attack it, it flies over the choke point where the ground battle is stalled anyway, and it can drop the grunts off anywhere.

Ground vehicles are slow. They can get pounded by vehicles, CE, infantry AV. Can get hung up on obstacles. They have to go through the navigable parts of the map, which is likely where the fighting is at anyway, or take a long, long detour.

Air has some huge, huge, huge advantages, and I don't see how you could put boots on the ground as reliably with a ground transport without over buffing the ground transport vehicles or heavily nerfing galaxies.

I expect ground transports to be largely useless in PS2, same as PS1, and most every game that features them.