The issues are balance issues, that the balance department should be fixing, but instead they are trying to do it through mapping.
Gens are useless most times, because they require too much effort to keep alive. It's far too easy for a few heavies to crash in, clear everyone out with fractals, and down the generator, disc sniper turrets and radar on the way in, and generally just make a mockery out of base assets.
The wonderfully perceptive player base just thinks people don't defend them "because they aren't important enough, with that spawning loaded thing, and all."
So through maps, like bella, sunstar, and now permafrost, they are trying to "lean" other crap on the generator, so they have a good reason to waste more people on the ATG mini game.
The fog is about nerfing sentinels. Again, since they won't fix physics, and include ski friction, they need some OP hitscan to counter 300kph grabs, and as such, sentinels are where they are now. Fix physics, make it harder to maintain those speeds with friction, buff all forms of acceleration, and now chasing becomes viable, no longer need OP snipers, and BAM you don't need stupid map fog (not that map fog isn't welcome regardless, base to base sniping is meh).
Throw energy shielding on the generator and assets, revive the "our generator is under attack" announcement, bring the CC back, and get repairs on a HP/s basis, and generators will be a balanced addition to Tribes CTF again. Then you could even make vehicle stations, and inv stations destructible, and maybe, just maybe the naked spawns flag might actually not be terrible to play.
They've finally painted them selves into a corner though. With this last patch, it's become as evident as it ever has been how much physics, and assets shields are needed.