Bitcoin is unstoppable. Despite its also volatile, Bitcoin uses different technologies and it makes cryptocurrencies diversified in way you cant kill one because two new grow back!
Bitcoin is not performing good but it will always be profitable in long run. It is unstoppable because:
1) A lot of people had invested in bitcoins for long term only. They are not going to cash it for small returns. These people will always be supporting bitcoins and thus there will always be some demand.
2) Every new investors starts with bitcoins only. When you see news related to crypto covered in media, it is only about bitcoins.