Are you saying that kols should not be built at all?
1. against bomber spam they are absolutely necessary
I'm saying bomber spam is the only reason to build them, and even then its a gamble, since mass bombers can kill anything pretty easily.
2. You always need a tank.
Corsev is a better tank hands down outside of a 1v1 (which never happens), and it is more versatile. And I personally hate the Corsev. It doesn't win compliments from me easily.
3. It wins against a sova easily. With 15 health restored per second, increased firing speed, 60 seconds of grg, and unassailable hull, a kol will slaughter a sova in a 1v1 fight above level 6 and will give it a long, hard fight below that.
I said below level six in my post. Any ship that needs an ultimate to be decent is at a severe disadvantage. Why do you think the Vasari Loyalist titan isn't as feared as much as the Ragnarov or Eradica? The maw is awesome, its just by the time you get to level six often time the battle is decided, or you could have built something else to win earlier. Needing 4 level six caps to do anything is ridiculous, especially as TEC when they have the awesomeness of missile barrage. If nothing else, the opportunity cost of not having another cap at level 6 is what kills the Kol.
4. Did i ever say a word about adaptive forcefield? NO!
I'm just saying few caps have an ability as useless as adaptive forcefield. Its hard to be versatile with an ability you'll never get a point in.
I realize I'm sounding harsh on the Kol. I actually like the ship like everyone else, I even used it as one of my mods hero units. But it really deserves all the criticism it gets, and I hope one day the devs will actually listen and change it so it might have a more useful role when you're actually trying to win a game.