10 points
You forgot:
F1: Ridiculous number of rules meant to try to have more overtaking (engine forced to be 1.6L V6, fuel flow limit, electric power limit, battery size limit, aero limitations, and much more)
Isle of Man TT:
8 points
1 point
9 points
Also F1: huge money to buy a seat/drive. Also TT: buy a special seat for your huge balls.