I think that changes some of the more floaty ethical concerns. This is not a David vs Goliath situation. This is Goliath vs Super-Goliath.
At this point, I'm much less interested in the drama of which mega-corp is screwing over the other. I'm more interested in: how does it affect me? When the titans are done trampling over the rest of us, which side benefits me the most?
Its too early to tell, but it seems like it'll be Amazon. The product is more open. They have a demonstrated history of great support. Yeah, they gouge us on networking and everything else, but at least they're the devil we know, and buying into the OpenSearch ecosystem has a greater probability of being the more open solution into the next decade.