Saylor can't cope with the fact that his battery is not a solar panel. He is saying, look how I wired it up. I'm getting a yield, 5% risk free. And Saifedean is projecting out into the future explaining that this will eventually end and people will have to work for their money.

Using a battery analogy, Saylor is transferring energy from the fiat battery to the bitcoin battery because the bitcoin battery holds its charge better.

Saifedean is saying, yes, but eventually you are going to need to hook up some solar panels when fiat runs out of juice.