Since those failures he's aged, become more entrenched in his ways, no longer as scrappy or nimble as he once was, surrounded himself by yes-men and blasted off

Since those failures he's aged, become more entrenched in his ways, no longer as scrappy or nimble as he once was, surrounded himself by yes-men and blasted off on an ego-trip from his success at Tesla and his shoehorning himself into every global drama. He's gotten addicted to the attention and now his primary pastime and way to blow off steam is trolling the media. No longer focused on the daily grind of building a business.