" can anyone tell me if they would still sell or is it that people truly don't believe they can sell these things?"
I don't know whether they could sell them or not. But the competition is already out there:
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versus
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Dobby also has facial recognition, live streaming, control from the phone, can be controlled by waving your hand, travel up to 100m, fold-away blades, is currently available for US$370 and fits easily into most pockets.
http://www.geekbuying.com/item/ZERO...ACE-TRACK-Target-Follow-UAV-Drone-367697.html
So whether the ROAM-e will sell depends on how it compares to Dobby for starters.