The real growth of Ethereum will be once it becomes scalable and be used according to its original purpose. Ethereum has probably the most fanbase, everybody loves it, but it lacks applicability under pressure. Once that problem is solves, moon is the limit 
If to look at the current picture, everybody is waiting for btc to cool-off and altcoins grow, so of this happens, then yes, eth is the first candidate to grow.
But ether is used for its intended purpose. Of course, all these ICOs are associated with fraud. If to look at the current picture, everybody is waiting for btc to cool-off and altcoins grow, so of this happens, then yes, eth is the first candidate to grow.Yes, when ethereum will be used in many areas, it creates a high demand for coins. But this is possible thanks to the massive adoption of crypto around the world. I think it will not be as fast as we expected.