Yes, pryamid scheme, Ponzi, MLM, etc. I use the MLM term in my previous piece about YC and Softbank. So far as I know, these modern scammers are much more ambitious and greedy than Charles Ponzi ever was. https://davidfriedlander.medium.com/small-minds-big-checks-softbank-y-combinator-and-the-attempted-murder-of-real-estate-innovation-77eae751e1ae