Except the 7 firms make up >30% of all market growth, and move more capital than entire countries. Yes, they are hemorrhaging cash with every new customer, and burdening taxpayers by eating community electrical and water infrastructure.

In terms of business, it is not sustainable:

https://www.youtube.com/watch?v=t-8TDOFqkQA

The hype-cycle is nothing new =3

"Memoirs of extraordinary popular delusions and the madness of crowds" (Charles Mackay, 1852)

https://www.gutenberg.org/files/24518/24518-h/24518-h.htm