Because being short a small market cap like Bitcoin with all the potential it has to explode at any moment takes some real balls.
Can you imagine what he's feeling right now? When you're long it can only go to zero. Short losses are infinite.
Probably the same thing I feel when I see some slob win a scratch lotto ticket: Pity.
He'll just turn around & buy more scratch tickets with his winnings.
And lose
*never beat myself up for not buying lotto tickets myself tho.