Pit crews are a lot of work for not much improvement. To do it right, for a broad title like rF2, developers need to have some for each period and style of racing and ruleset. NASCAR of the '60s is different from NASCAR of the '70s is different from NASCAR of the '80s is different from NASCAR of the 2000s is different from IRL is different from F1 is different from endurance racing is different from club racing...