Although most altcoin is affected by market volatility and Bitcoin, every altcoin has its own development ability. If altcoin can create its own community and values, its development in the future is very good. There are also many new altcoin that have been formed and developed quite well in the cryptocurrency market.
Yes you are right, the future of Altcoin depends on a good and serious team in developing the project into reality, so it will be beneficial for the people who use it, so a good Altcoin project will definitely have a good price too.