I'm not so sure its being weakened. I think that sportsmen use "the antis love this divisiveness" arguement to further their own causes a lot more than the antis do.
It may seem blasphemous to say so, but think about it...
Hunters are hunters. Arguing about seasons or implements, that's the fine print. how would antis use this stuff to actually drive a wedge into the hunting community?
Be nice, now, I'm just asking!