Honestly guys, this guy Elon is a bad joke. He acted like a 10 years old kid, buying BTC and then realizing these are not good for the environment, he is making fun of all planet and treats us like...
I've lost my last grams of respect for this guy, he will never be for me anything more than a bad joke, a manipulating narcissist.
There it is, enough, the news is Tesla will accept $ because they're environment friendly. I'd never buy a Tesla car in my life even if they will accept carrots as a form of payment (which are environment friendly of course).
I wouldn't worry about it. For a short term emergency have some cash. For long term you will be dead.
https://www.powermag.com/expect-death-if-pulse-event-hits-power-grid/