The bad part related to the Nvidia decline was just mentioned in a separate post above. People were buying video cards like crazy to mine Bitcoin. Until the economics of mining changed, and that market vanished, like, overnight.
So, if a comparable Black Swan even were to happen to Tesla, it would be what? A sustained pandemic that closed factories and shut down travel worldwide? Oh, not even that would do it, you say? What then? Across the world, roads suddenly evaporate?
Oh sorry, I didn't realize I need the sarcasm identifier.