The dude is in net profit from trading, he only used a much higher leverage on that trade and somewhat got liquidated.
A rich person like him suppose not use leverage at all which is the reason he lost so much. Using millions to trade can give high ROI without using leverage but I do not know the reason he is using high leverage to trade which is just greediness and he got liquidated. If he is not careful, he may later go broke or he should just change.
Perhaps he feels dissatisfied if he doesn't use leverage? Even though if we think about trading hundreds of millions of dollars, he could trade spot ROI with large returns, but usually greed blinds them to the risks.
I don't know if he feels like he has a lot of money (rich people) so trading millions of dollars is normal for him, or if he doesn't think about how much money that is? He's so brave.