I'd imagine most areas will ban them. I think for a while they may be useful in extremely controlled environments. But start adding lifts and other ones flying around and it'll be collisions all over.
Now Backcountry I think it has potential. But at that kinda money I'd like to see what the loss rate is. Keep in mind all the demo videos you see while they look great there is probably a ton of prep work to get it and you arne't seeing any of the failures.