Teamwork kills everything possible in this fuckin game. The issue is : Why should one playstyle require teamwork when the other doesn't?

That's the entire problem. One option can kill everything in the damn game, while the direct counter is only that, a direct counter. And this direct counter isn't even efficient at countering the entire purpose of their play style.

Currently there are two roles in the game. Vehicle suppression and infantry suppression. Acting like hacking objectives isn't the role of a tanker is obscenely ridiculous. An infantry that decides to hack a point has just as much possiblity to fail as someone who leaves their HAV to hack the same objective. It's your own choice whether or not to decide which is more important, ISK through kills, or capping objectives for the win.

Now you may claim "but that infantry guy has skillpoints put into being adept at killing infantry, so he is better able to hack objectives.".... Wrong.

You decided to skill into vehicles who's sole purpose is to kill other infantry and vehicles. You already know there is no other role in the game beyond that. You know this. It's impossible to not know this, because the only thing you can do in this game is kill others, and hack objectives. You are choosing to play as a killer. Just like infantry choose to skill into either killing infantry, or killing vehicles (and we all know how ******* balanced AV currently is, which again, leads to the disparity of roles). You can choose to be adept at killing infantry, just as infantry can choose to become adept at running an HAV.

An HAV is able to kill everything the game. That is a fact. They are literally able to kill every possible thing in the game, with every single type of turret with relative efficiency compared to the other weapons in the game (i must admit that the missile turrets are in a decent place with infantry concerns. A 0.3 - 0.5 reduction in splash range would, IMO, completely balance missile turrets with the rest of the game however), also with more ease then any other weapon in the game. Stating otherwise is a lie. You know exactly how easy it is to dominate with a vehicle. Because you dominate, and complain that dying lost you 500k isk. For shame that you actually die in a game designed around everyone dying for eternity.

Infantry simply don't have this luxury. In order to excel in one area, they gimp themselves in another. HAV's aren't given this ultimatum. Anything they choose can kill infantry as easily as vehicles. They aren't only the jack of all trades, they are jack that has mastered all trades, and only for 200k-300k more then their direct counterpart. If i remember correctly, the community frowned upon a specific playstyle that could not only counter all other playstyles, but excel at them all (Cal Logi). They frowned upon a weapon that was able to destroy infantry pretty easily, as well as vehicles (Forge gun).

Why should HAV's get special treatment?