Makes sense. Aviation is all about certification and reliability, racing is performance above all else, and you'll always find some old industrial machine in the back of a shop that has somehow been running since longer than anyone remembers.

Reminds me of how despite RoHS and all that, leaded solder is still a thing for some applications like (legacy) aviation and repairs (leaded and unleaded solder apparently don't mix well, or rather, make things corrode or something like that)