Now, if someone honks their horn at me, I usually either stop or go slower. Same with tailgating. And I do it with the cruise, too, since when you tap your brake lights it is the same whether it's tap or slam so. Since it is an unsafe situation anyway.
The tailgaters know it is an Automatic At-Fault if they hit, so, just remember, they don't want to have an accident. Works for truckers, too..
(They really think you are going to move!) Just make sure there is room where they can ultimately pass you, since there is the chance they will act all stupid when they get in front of you. Courtesy is leaving them room to go around. Not getting out of their way. Always have to know when to break it off, and how far to take it.
Only ever had these Road Rage type of situations in the hood and with.. yeah, mostly ghetto people (though not always.) Loud mouth people stuff. And my car was experiencing some throttle delay, so, that lasted longer than it had to. No police around when that happens, since it could easily be considered reckless. I don't like it, either...