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Tesla failed spectacularly here.
Ok, I've tried to stay out of this, but I have to respond to this particular comment. I ran the global research team at Symantec. I take no credit for my team's work. I simply oversaw them as they identified, responded to, and in some cases prevented, massive security problems impacting 100s of millions of users. I saw my fair share of what I would refer to as truly spectacular security failures. This isn't one of them. Not even close...