I think I would agree with that.

Take note of that last part of his tweet[0]:

> Tesla will not be selling any Bitcoin and we intend to use it for transactions as soon as mining transitions to more sustainable energy. We are also looking at other cryptocurrencies that use <1% of Bitcoin’s energy/transaction.

Here he posed a problem that is now on people's mind. Soon he will offer a solution and people will go nuts about it. He often does that kind of thing.

[0] https://mobile.twitter.com/elonmusk/status/13926020410258432...