Run Into The Ground Meaning

Example :   Although he has an MBA from Harvard, he still ran the company into the ground.  I figure this car has a few more years left in it and I intend to run it into the ground before purchasing another.2011 January 5, Jonathan Stevenson, “Arsenal 0 - 0 Man City”[1], BBC:  City sent on Adam Johnson for the ineffective Jo and the Englishman at least gave notice that he wanted to run at the Arsenal defence, but his team-mates had been run into the ground by then and no-one could get up in support of the winger.  You've run the upcoming election into the ground and I simply won't listen to another word about it.