Bitcoin is here to stay. You're mixing up shitcoins and other ponzi-like schemes.
As with any new & emerging technology, blockchain ecosystem hosts various (intentional or unintentional) FUD and malicious coins that are backed by nothing and often run in a ponzi scheme manner. These coins will eventually crash and disappear.
Bitcoin's intrinsic values are similar to other asset classes, plus, its also decentralized and censorship resistant.