Check out the Explore-Exploit Tradeoff which tells us what the Carrying Capicity of a group for risk takers is. Its never been high. Maybe 5% of any population. Out of which 4.99% fail. With those odds populations cant have everyone taking risk. Such populations sooner or later go extinct.
Attention Economy/Social Media/News Media realized risk taking captures attention. It helps Elon to raise funds, mesmerize customers and employee etc before anything is even built. So everyone starts signalling they are risk takers when really its about something else.