Some people just don’t know any better, and are mean to strangers across the void of the Internet simply because it has never occurred to them that those are truly other human beings. Those other people have feelings and can be hurt by a troll’s thoughtless acts of cruelty. This is why you must always be polite when dealing with the denizens of the Internet. Because one spark of decency, and polite communication, can light a wildfire of people being good to each other. Be sure you have learned the lesson of Grokan Oilrunner, the hapless bandit with a heart of gold.