Elon Musk, one of the biggest crypto defenders, seems to have wised up on the real future of crypto currencies.
If he really considered it a success story, of course he would accept it as payment, and cash in on the quick additional profits
https://finance.yahoo.com/news/bitcoin-sinks-after-elon-musk-says-tesla-will-not-accept-the-digital-coin-for-transactions-223139231.html
Bitcoin, Dogecoin sink after Elon Musk walks back Tesla's support for crypto transactions