Somehow his company is worth ~1.6 trillion dollars, with most of that valuation being confidence in his predictions. He is predicting humanoid useful robots soon. Tesla's valuation defies reason
(And I say that with conviction. https://hindenburgresearch.com/ are my heroes.)
The persistent short interest in Tesla shows at least that the critics are voicing their concerns in the market.
You and I might think that Tesla is overvalued, maybe. But if it's a bubble, at least it's not a fragile one that pops at the slightest pin prick like a few shorts.