You just need to look at Formula One to find a counter example to that. 15 death...

tonyedgecombe on March 4, 2021 | parent | context | favorite | on: Why Are So Many Base Jumpers Dying? (2016)

You just need to look at Formula One to find a counter example to that. 15 deaths in the fifties, 13 in the sixties but only 3 in the last decade and that is with more races and higher speeds.