There are at least 3 other cryptocurrency going to compete with ETH ;) And they are being developed for a long time. Tezos, Qtum, BOScoin.
And EOS is just a HYPE and FOMO right now so it won't be easy. This kind of HYPE REALLY reminds mi The DAO :)
But it's good for us.
RE: Why EOS May Blow Ethereum Out of The Ether