Either state what you dislike about the analogy or simply say nothing and downvote the comment if you dislike it. Statements like this add nothing to the debate, enlighten nobody, and are not welcome on this site which strives to minimise such trolling.
It's not a bad analogy. But When your analogy projects an oiled up, banana hammocked, mr olympia in the reader's mind it might detract from the original point.
I’ll substitute bodybuilder for athlete if it ever crops up in conversation again but it seems like the issue is more to do with personal prejudice against bodybuilders than the actual similarities and differences of the respective economic and biological processes.