INFJs arguing is like a swarm of metaphorical killer martyr bees who kamikaze ad hominem logic error the enemy, by banning the user. They avoid the argument, maybe they can't fully grasp logical structure, they form a unit of attacking the persons character posing the argument (such as...
I think the frustration is finding INFJs who can't coherently put together an argument. All the while, they think they can, but in reality they are oblivious.