There is a longer video of him actually stacking blocks and spinning them around and pretty much putting them to any height and attitude desired. He is showing with basic physics that these things can be done without power tools and engines.
There is another video out there showing essentially the hole and loose sand technique for standing a big block to show how the Easter Island statues were likely stood up.
I would love to see a demo of it all being scaled up to the Baalbek blocks.
What would be fun to watch is a new pyramid being built by modern methods. Included are the chambers.
And they would have to use the same resources, (mud, straw) as the old pyramids.