Guys, people can grief out of revenge too. For example: Griefer108 is pissed at awesomebuilder555 because he said something rude or insulted him. That made griefer108 pissed. So he started to grief the house of awesomebuilder. Boredom is 1 of the main reasons, but revenge too. Or they are just dicks and they want to destroy others hard work with no reason.
