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good luck with finding any sport which doesn't have rules which are at times arbitrary, poorly-evidenced, capricious, inconsistent or indeed all of the above
When we come together to play sports under an agreed set of rules, we accept the rules regardless of how bad they are. We always have the option not to play. What we don't have, even in a godless universe, is the option to play but not by the rules, whatever spurious bullshit @The_Kindness_of_Trees may spout.
WADA. By taking part in any mainstream sport, you are delegating authority to decide on these questions to WADA, whether you agree with them or not. If you disagree profoundly with WADA, put your energy into a sport which isn't governed by their <devil's advocate >arbitrary, poorly-evidenced, capricious, inconsistent</devil's advocate> rules.