Re: Wattson needs buffed. Period.
I do agree that wattson need a buff as I main her, specially the ultimate I guess it should be something like 10 points/s or even 15 to make it useful for camping as a defensive character.
But I don't agree that she is useless. I would say she is more situational more than Caustic and Gibraltar.
In some situations she totally shines. Like tunnel fights, which already limit the movement and even will he harder with will placed fences.
I discovered new tactic is to block people in instead of out, best work with smaller buildings, or when at the last couple of rings if you are lucky enough and the enemy squad got trapped in building half of it is taken by the ring, Close one exit with a fence, so they would be afraid to cross it and expose them self for the stun which will lead to their death. And your other teammates can guard the other exit, if they refuse to leave just send the grenades in.