Don't need to wait. We already have the evidence we need. The recent trailer confirmed the gameplay leak and the Reddit leak was right about the Tempest, Helius cluster, Krogan Drak, etc. I'm not assuming from complete nonsense, I'm talking about facts here from what we've seen and heard. We saw a human woman with a helmet that has Cora's armor in the 2015 trailer. Can't call me crazy when I have good evidence. That's what separates the bull******** from the people who are right. 
First of all, I would never call you crazy for believing that a leak which has thus far proved accurate will continue to be so. I myself am fairly certain that Cora will be blonde, but there's no reason to convince myself it's a given just because someone on the internet said so. My post was not a personal attack so I apologize if you took it that way.
Second of all, you missed what I was trying to tell you in my first post entirely. Things change, as with the examples I gave you from Inquisition, in the time between alpha and beta. That gameplay leak was clearly very early on in the game's build, and the E3 trailer showed a woman in similar armor. To my knowledge, the woman in question also had a helmet on in the official trailers, so it's a bit difficult to say for certain whether they are identical. Would I be surprised? No. But until "Cora" is shown officially, I'm going to take it with a grain of salt. I was burned by expectations in development-stage games before (DA:I's original Crestwood, for example) and I'd rather not do it again.
I'm not really interested in arguing this, though, as at the end of the day what you choose to believe is your choice, after all. Different strokes and all that. So I'll chalk this up to a difference of opinion.