Sorry double post here but i just came up with an idea....
Higby stated that "air should be the main counter to air .."
Well what i say is that tanks should be the main counter to tanks and other armour in general.
How to do this ??
Well maybe remove the HE MBT weapon and reduce the damage of the standard MBT weapon against infantry. Make them target armour firstly, infantry second.
Make the lightning an anti-infantry only vehicle with no AV threat kinda like the Panzer 1 german tank. Making it either anti air (skyguard, with certs) or anti infantry (some would argue it is already)
If they buffed anti vehicle infantry weapons and did something to help infantry from air attacks it might help this idea.