To be popular on the cryptomarket is quite suitable case but ETH is not there now. Its popularity is going down as I can see and this trend will be actual in the future too.
the fact that ethereum has fallen in price does not mean that its popularity falls. all the coins have fallen since the beginning of the year, and given what X-rays gave ethereum from the beginning of 2017, now many still have a big plus. Ethereum is the same altcoin as the others and just as everything falls in price due to market situations