Ethereum network has been really slow of late. Cryptokitties with 20% of traffic seems to be a key network bottleneck. 2 to 5 years time for fully scaling the Ether network does seem a long wait given the rapid growth adoption of Ethereum network! More than the issue of paying over 1 dollar for transaction fees, the real struggle faced by traders in exchanges is the waiting period and the error messages during trades with sometimes no immediate clarity on their transaction's status.
https://www.ccn.com/bittrex-stops-creating-new-ethereum-deposit-addresses-due-network-congestion/
