Someone 'splain to me what is the obsession with tanks? Seems to me even the humble Terrapin would make a great tank killer. Anything that flies slow, is armored and has a big gun is going to be capable of squishing tanks just like an A10. Whether we ever see a dual S4 mount for S5 hardpoints, even a single BEHR ballistic cannon is gonna make splatty art out of tanks. . .so just sayin', why invest in stuff you may not even be able to move?
You are more than likely right on most of these points. I kinda got it just for the hell of it.
The only reason I can think of, is that maybe if a base has a ton of AA but not much in the way of ground defense, it could be good to use them, or, could be good to have them as a base defense. Plus, if I were attacking a base, I would have air units attacking it of course, but, I would also have a good amount of ground units going at it as well. Tanks, jeeps, apcs, etc etc, I would have a good mixture of units. Makes them have to defend on 2 different fronts. And if they are too busy in the air dealing with air units, pretty much leaves the ground units free to do as they please. Just my 2 cents