What would happen if whether by accident or deliberately done Mecca was bombed and destroyed?

Would Muslims act like Christians have over all the attacks they have done to Christian Churches. Christians have condemned the attacks on them, but have not yet threatened to attack there places of worship to get even.I know there are those who profess there Christians that will attack Muslims every chance they get but have yet to hear of world wide attacks on there mosques compared to there attacks on Christian Churches.