I didn't see anything there that would preclude him from topping some recent Person of the Year candidates. His companies have achieved impressive things already - including a car already launched to very strong reviews.
The article compares the Model 3 to the Bolt. I think in the second phase of his unveiling, Musk will announce that the Model 3 will be self-driving. There were strong indications in his Twitter AMA yesterday that it won't be driven like a normal car.
https://news.ycombinator.com/item?id=11419772
may be a reason why Musk isn't there yet.