Bitcoin volatility is not a bad thing. If bitcoin has no volatility then no one will be interested in doing bitcoin trade. Nor will anyone invest in cryptocurrency if the value is stable. People invest because volatility brings good luck or loss.
Bitcoin is not just great because of its volatility and being a decentralized digital currency. It is a great technology and it is the most first ever digital currency in a blockchain. Because of Bitcoin, a lot more crypto currency is being developed to help the developing world, Bitcoin's volatility is not that bad, it is just that users are taking advantage of it.