At that point, drug testing is essentially useless unless the athlete was using an older chemical PED that is easily detected nowadays.
Performance enhancers are advanced enough now that the sports should seriously consider giving up, they’re losing the race, the fans by and large don’t care, and many of the enhancers are focused on recovery and it’s a really tough argument that the sport is better served having star players out injured longer. It might just be time for the sports to admit that their athletes have the same basic relationship to us NASCAR has to the cars we drive, which is basically none.