I know they've answered once. That was at fanfest, and since then, they've said we're listening to feedback. I'm humbly requesting another update.
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And I replied to the same comment you mentioned the models in. And yes, they can easily dismiss an idea if it's going to be a barrier to another idea, which in this case was the Hrothgar. Viera only had concept art made nothing more. But they weren't part of the original plan like Hrothgar (Yoshi P said that). Even Fran wasn't planned to show in the Ivalice raids. It was supposed to be Balthier. But when they decided to make Viera, they decided to put Fran in (it was stated in Vegas Fanfest if I remember correctly).
Yoshi P did say in one interview before that Viera might be female only and there would be another male only race. And some were already speculating that there won't be male Viera based on the trailer and the leaks. Furthermore, this was also done due to resource limitations so those that speculated that had something to back that claim with. But, a speculation that the dev team will place a huge burden on themselves and announce something they haven't even started and if they didn't deliver it on time will cause a bigger backlash is unlikely to happen.
And to add to this, the best they can do in the lead up to Shadowbringers is pretty much exactly what they're done. Express their surprise in the idea's popularity and vaguely hint they might be interested in looking into the possibility at a future date. They literally cannot commit to anything right now. The soonest I expect to hear anything substantial /if at all/ is likely 5.2-5.3. Once the dust has settled, the next relic is out, and they make sure the new expansion is keeping adequate player retention.
But very /very/ rarely here, I think I've seen an actual dev member post here like twice in my entire time on these forums, and they won't have anything substantive for a long time given that we're gearing up for 5.0. You're not going to get an answer until they regroup after 5.0 drops and they can take stock of what needs to be done going forward. I'm sorry that isn't the answer you want, but it's just the reality of how game development happens. You don't even remotely consider superfluous additions in the last two months before a big release. You save those for after when you can regroup and put your whole attention to them.
I've just checked OP's history and ... you need to lay down for a bit, take a healthy step back and reflect on what it is you are doing, why this is and if this sort of obession is really that healthy. This is not me patronising you, this is me being serious with you. As for me, I'm not against the idea of male viera. But if they don't have any real concrete things to work with right now, or they just don't have the time or resources, then they shouldn't and focus on creating an actual game. A good expansion.