50 million Muslims would disagree.
That's debatable. There haven't been too many pro-American demonstrations in Iraq or Afghanistan since we arrived. My guess is that many in both places are glad to be rid of Saddam or the Taliban, but still aren't too keen on us.
Of course, at the very least, you need to subtract from that 50,000,000 all the Moslems in both places doing their best to kill Americans.