Can't we just go back to building pyramids? There must be some scheme that siphons off as much excess capital as possible so we can happily remain serfs and doe

Can't we just go back to building pyramids? There must be some scheme that siphons off as much excess capital as possible so we can happily remain serfs and doesn't provoke arguments. The Egyptians managed to build pyramids for many, many, many decades. They are tried and tested unlike these new fangled war planes things.