

In my US state of Texas, speed studies set the speed limit based on a 85th percentile rule. They assume that people will basically ignore the speed limit and drive the speed they feel is safe. That’s why we have highways with 85 mph speed limits.
https://www.txdot.gov/safety/driving-laws/speed-limits/speed-zone-studies.html

C suite execs and defenestration… you may be onto something!