Likely a factor of financial means as well. There's a lot of spare-no-expense weekend warrior types in the Masters ranks, whereas the younger open racers tend t

Likely a factor of financial means as well. There's a lot of spare-no-expense weekend warrior types in the Masters ranks, whereas the younger open racers tend to be scrappier. Also, it's probably somewhat of a "who cares anyway?" attitude. They're not gonna go pro, they're not getting tested, etc. Any kind of competition involves someone bending the rules, like it or not.