It's because he has money, influence and can plausibly claim to know things about business. More to the ppint, he has been involved with OpenAI and his reactions might give an indication of the internal politics there surrounding AI safety.
> More to the ppint, he has been involved with OpenAI and his reactions might give an indication of the internal politics there surrounding AI safety.
That’s an interesting thought, one that I would give more consideration to in the early days of Musk. However, given Musk’s increasingly intense and emotional public outbursts, I’m more inclined to believe his concern is less about AI safety, than it is about his ego being damaged for not being the one leading OpenAI.