It gets there. Sadly on the internet trolling works both ways. Some people actually get threatened and thus have to defend themselves. At the same time if that defense is to viable people will use the defense as an attack and just start getting people banned all over the place.
I know a guy that used to say "lets go red" means he was going to kick the shit out of someone. It could just mean lets go to the red marker on the map. Reports have to have some ground to move on. History has to be established. I mean the odds are really low someone you are playing overwatch with will be able to determine your location, get to your location, and then have the balls to carry out the attack though overwatch. If he is really that dangerous of an individual than you are more than likely fucked the moment you ran into them and not when they started screaming they are going to kill you or something.