It's just as much about the liquidity/depth of the ETHUSD market, which is abysmal compared to BTCUSD. Crypto currencies are a great idea, but without liquidity

It's just as much about the liquidity/depth of the ETHUSD market, which is abysmal compared to BTCUSD. Crypto currencies are a great idea, but without liquidity it's fairly useless as a value transfer system, as you'll lose significant sums to slippage when exchanging.