Shareholders like him enough to support an irrationally high price/earnings ratio of (currently) 165 or so — for comparison, "normal" is (from what I understand) 15-20, and BMW's is just under 5.

I won't be surprised if Tesla shares lose 90% of their current price, which is part of why I've sold all my shares and don't even feel too bad about having missed the exact timing of the peak.