This is a very serious reason. Obviously there are many creeps on the internet. They can taunt, prod, confuse, mislead and provoke the already unstable person,

This is a very serious reason. Obviously there are many creeps on the internet. They can taunt, prod, confuse, mislead and provoke the already unstable person, in a nerve wrecking situation, with a gun in his hand. The mere fact that s/he is broadcasting takes away power from the negotiator.