https://www.cnbc.com/2018/10/09/musks-outbursts-are-pushes-against-status-quo-linkedin-co-founder.html > The Twitter outbursts of Elon Musk are due to frustrations with what he sees as shortsighted views about the progress he's making with Tesla, billionaire LinkedIn co-founder Reid Hoffman told CNBC on Tuesday. > Musk is focused "three, five, 10 years into the future," said Hoffman, who worked alongside Musk at online payments system PayPal. "Part of his grit, part of his determination to get to that long future is to push back."