Just because the Great Pyramids were built with slavery doesn't mean that slavery is okay, or that there is not a better way to build a pyramid.
The labourers would have been enticed by the mix of high-quality food and the opportunity to work on such a prestigious project."
https://www.sciencefocus.com/science/were-the-egyptian-pyram...
They weren't build by aliens with alien technology? ;-)
SCNR because we are talking about Elon Musk with his space obsession.
I am asking - show me the person who found the better way.