It's not the mafia - he'll be the person known for building a trillion dollar car company out of pure speculation, and damn near delivering on that speculation.
He could have been known for that. But his never ending rants are slowly deflating his reputation. He built his reputation up and he's slowly destroying it. He's in his 50's so he has a long time to go. Only the future will tell.
Maybe we see people in different ways. He can pull all of the stupid hire-to-fire bullshit and the imbecilic move about homeworking stuff, but he has made more people millionaires than I've had cheeseburgers.