do in fact waste resources
Compared to what?
By that logic capitalism with its constant competition is highly wasteful. Surely a system where a wise man (or a wise Latina) just tells you what to do is going to work better... right?
the banning of performance-enhancing drugs
No, I don't think so, because by the same argument you can ban any training. It's not a gentlemen's agreement, anyway, it's a rule imposed from above by governing bodies which are mostly interested in selling the performance for money.
By that logic capitalism with its constant competition is highly wasteful.
Capitalism does not really involve more "competition" than is inherent in human nature anyway. What it does WRT competition is precisely to try and ensure that it leads to favorable outcomes, largely by making property rights more well-defined and more easily protected. ('Tragedy of the commons' scenarios result from competing over an exhaustible 'commons' for which neither property rights nor customary access rules are defined.)
...it's a rule imposed from above by gover