It is correct that interest in ICO decreases and it affects on ethereum growth and it drops more than other coins but it is still the best choice after bitcoin and a confirm hold as this phase will over after a period.
As we can see the price of ethereum now are struggling like what bitcoin happen also. But it does not mean that ethereum now is not good for hodl for long term investment plan, but like bitcoin both of them are still promising for possible growth before this year ends. It is expectedly to happened that bullish market will take over before year ends.