Raise your right hand.
Repeat after me:
"I [NAME] do solemnly swear [or affirm] never to reply to cross-posting trolls, nor to known flame junkies, nor to those known to be rude, obnoxious, disgusting, or unmannerly, unless they choose to mend their uncivil ways. I will reply politely to off-topic posts, even if they present views which are not my own. I will not resort to name-calling or other idiocies, nor will I help a political discussion escalate into name-calling or other idiocies. I realize that disagreeing with another human does not imply that the other human engages in perverse or obscene practices. Should cross-posting trolls, flame junkies, politics-mad ninnies with too much spare time, or other mindless troglodytes choose to engage in the horrors I have denounced, I will not reply, not even in a useless attempt to steer the discussion to fruitful grounds, but will simply ignore them into submission. SO HELP ME GOD."
Cordially yours, Gerard P.