Sure. How many times were Armstrong and Jones and Houlihan, etc tested again? Rasmussen was tested endlessly for a decade and did everything short of horse tranquilizer and never tested positive, and that goes for scores of cyclists. Only in that sport the lid came off. Increased testing should indicate increased suspicion. But at best it is a mitigation tool unless someone is utterly reckless like Chemusto.
Yes it is relatively rare when a big name gets busted. Why? Bc the testing is innately inadequate, and simply cannot detect microsdosing and tactful epo use. Coupled with corruption, with certain countries that give a green light to doping and with certain athletes deemed too big to fail. Btw, go back to the old "who is Lauren Johnson" threads and let us know if you think she was clean?
If you think Hassan can triple naturally, you are nuts.