Buying crypto should be done not only for investment purposes but as a libertarian in principle.
Why? When you buy and hold crypto and its price rises it creates an incentives for developers to develop and discover new applications of the technology. This decentralized tech will prove to be a godsend when the burden of government taxation and regulation makes it impossible to make living or run traditional centralized enterprises.
Supporting crypto matters because the hope that people can freely exchange and do commerce with each other Matters.