yeah, many hedge funds and individuals have lost serious $ betting against tesla
It's also been a trader's paradise given the volatility and occasional appearance of someone mysteriously placing huge OTM call purchases for that Friday in an effort to force a gamma squeeze. In a market with regulators this would be suspicious and investigated, but we're in post-GFC America.
And don't bet against politicians wanting to affiliate with his celebrity/interact with his clout giving him subsidies.