Never understood the whole conspiracy angle on the pyramids. When I was in school we always learned that the fascination with the pyramids wasn't just with the labor, engineering and man power required but with the division of labor, the social command and the economic planning required.
Remember that the pyramids have no direct tangible return on investment and were multi generation endeavors. So the question encroaching a contemporary observer is: ¿What must the structure of a society look like that produces such monuments?
Never understood the whole conspiracy angle on the pyramids.
Racism. Every stupid conspiracy involving ancient civilizations is always rooted in some sort of racism. "Egyptians aren't white, so they clearly couldn't have done something so big by themselves!!!" - "The Mayan nobility is depicted as having weird shaped heads, thus it was aliens that taught them how to make those great pyramids!"