The Islamofascists are firmly in charge of egyptian antiquities. Obviously there is a spiral ramp in the Great Pyramid, and opening that to tourists would lead to thousands of visitors, which is what the Egyptian economy needs. What happened instead? No evidence of anything, we're the experts, not you.
Any American tourist to Muslim countries is going into the eye of the storm. The riots of the souks are legendary, not to mention the machine-gunning of tourists a few years ago near the pyramids.