Have you guys seen the market cap of tether over the past few months? It's really taking off. Also Maidsafe is doing really well. The assets on the Omni layer are huge and getting bigger all the time. Most recently, this: https://www.bitfinex.com/posts/129:

I don't have any inside information, but I think this is what happened:

1) Bitfinex realized they needed a token, and looked around to see what protocol would be best
2) Due to existing exchange infrastructure, it's really easy to add bitcoin-based tokens like Omni, and our system is already well-proven
3) Ethereum-based tokens, let's face it, are a little scary right now to the public, even though I'm sure they are safe if set up correctly
4) So it's either Omni or Counterparty. What would you choose? (I'm restraining myself heavily right now from talking about their history . . .)