Stop playing the game is my best advice. Bunch of morons who take it WAY too siriously on that thing.
"THAT WAS MY COAL!!!"
"Ok, I'll let you mine it next time"
"THAT'S NOT THE POINT, THAT WAS MY....COAL."
"Did you buy the rock?"
"NO"
"Then how is it YOUR coal?"
"IT JUST IS!"
Not to mention the people who don't have a life, so the are level 1943905789 or something, and they go around bragging about it, insulting you because you actually have something else to do.