sr36
TheBrownDog
Kinda like how telling people where all the speed cameras, are helps people not to speed.
Or telling a mob boss you’re wearing a wire helps him not incriminate himself.
This practice helps to stop people playing with party drugs in their system. It supports the WADA code. Catching people isn't the purpose - the WADA code and the testing is to try to stop athletes using prohibited drugs. THis practice does that - as party drugs are only banned on match day.