If you want to know if this has any chance of working, you should probably ask somebody who is an expert in this field and ignore the youtube videos. This goes for both Real Engineering and Thunderf00t
Criticism can be valid even without credentials, especially in an area where the only people with relevant credentials are putting their hand out and seeking startup funding.
I can judge whether a honey is good or not, but I'm not a bee and I can't make any myself.
This is 7th grade physics, centrifugal force, newtons laws, kinetic energy and a small amount of materials science.
People just get swayed by fancy CGI