This is not the first time the Crypto ecosystem is being labelled as a Ponzi scheme so I doubt if this will make the value of cryptocurrencies value go down more than it already has! The Cryptocurrency ecosystem has had much heavier negative news than this in the past few weeks.
agree with you, but this time a VIP world banks chief says that when btc price is going up 8000$ today after go down very deeply these day. People banks alway hate cryptocurrency