In fact, Google tells me there are 2,810,000 sits referencing "mecca".
What he meant was: The only thing in that "holy" mosque in Mecca is a rock. They are sticking their butts in the air in submission to a friggin' rock.
According to ancient Arabian religion (pre-Islam), Allah is the moon god of the Kaba. It was pure idolatry and Allah really was a rock.