Yes :/ That would completely kill the network. Cryptokitties is great for adoption and marketing but it seems this amount of traction has come a bit too early. Additionally there are so many ERC20 tokens on the network so I can only imagine what it will be in the near future. Sharding or whatever scaling solution is very much needed. That is why there is such a big grant on scaling research :)

So now that BTC and ETH is overloaded maybe it's time to use LTC for trading pairs, but there aren't many ... none!? Everything else works fine but things like Dash, XMR, BCH, etc. don't power all those tokens.

Once everybody wants to get out of the door this could end in a blood bath!?