because cryptokitties issue,they makes ethereum transaction is not going well,so many pending transactions in ethereum blockchain.
don't worry after this issue finished,price growing up again.
The fact that some smart contract to trade virtual kittens is interrupting someone's else serious finances proves once and for all how incredibly retarded ethereum is, and how bitcoin is the only real virtual money.
The only way these "use cases" would be acceptable is through sidechains that don't clutter the main network with such complete nonsense, but then again, Vitalik didn't realize this until it was too late, now he doesn't want to admit his whole scheme is a clusterfuck.