The thing is there are so many coins with privacy capabilities these days, You have Monero, all the Zsnark coins, Deep onion, Byteball (blackbytes), Dash etc etc. Zcash has an uphill battle, It's a fork of a fork of a fork and is starting to fade into obscurity. It's swimming in a pool of giants, and doesn't even have a presence on Bitcointalk anymore after the ANN was locked. They didn't have an ICO so there are no funds for marketing. With the marketcap currently so low, i have a hard time seeing how they're going to gain the exposure to dig themselves out of the trenches.
The best bet at this point is for them to hope that Zcash explodes and they can ride the wave like how ETC did with ETH. But even in that scenario they might get overlooked for zClassic.