Well, so, I guess we're not there yet. Masking agents like diuretics are banned, and thus suspension worthy, but they are banned because of their potential to be used to hide PEDs, not for their inherent harm or competitive edge. You're right that we haven't seen transcripts, leaving us only to infer, but the knowledge that an arbitrator reduced the suspension length suggests to me that he or she became convinced PEDs were not being masked. Because the default would have been to just let the suspension stand unchanged. Proof, no. It's only supposition, but I don't think far fetched.