My charitable read of the GP comment is that they are pointing out how ludicrous the stock increase is, but that's my reading. Side note, how much attention does your username usually garner you?

I think the point is that Tesla investors and customers don’t care about safety, either for the passengers or as an externality.

I think he's referring to the naive idea that stock prices in general are somehow influenced by what a company is doing and are not pure speculation.