^I was already privy to that, River Zora. We only see that symbol on Zant in one short sequence prior to his meeting with Ganondorf, and uniformly after (and always). I doubt that Nintendo would warrant a change of costume for that one scene. It can be interpreted both ways, and the strongest known connection Zant has with the Gerudo is Ganondorf in the context of Twilight Princess.

The symbol's use in one snippet, despite a context that would explain it's use elsewhere, is not proper evidence of a connection with the Gerudo, from my perspective. Because that evidence is so weak, I need another implied connection.