
"Walk out of a meeting or drop off a call as soon as it is obvious you aren't adding value," Tesla Inc. (NASDAQ:TSLA) CEO Elon Musk once wrote in a company-wide email in 2018. "It is not rude to leave; it is rude to make someone stay and waste their time."
The line reflects a broader billionaire mindset: ambitious, efficient, and unafraid to break norms.