Forget about the class warfare, OK? Even Bruce Springsteen would agree that as long as everyone is winning, it shouldn't matter if someone is winning more. There are few places in the USA where $70K/year is not a good salary. I doubt those high-fiving employees who just had their salaries doubled think it's a "publicity stunt".
Singlehandedly, he returned $930,000 to the bottom line of his company. Most of us can't make such a claim. But that only accounts for boosting about 25 people who were making $34K to $70K, so unless his company is quite small, I'm sure other strategies were employed. We'll see how effective those strategies are over the coming years. That will tell us if he's just a good guy, or a great CEO.