Blockchains are useful for an extremely limited set of circumstances. They enhance trust at extreme throughput and expense. If you can solve trust almost any other way, its better. disclaimer, I'm long as fuck bitcoin, however I know that it's still risky, and has a rather unaddressed lists of vulnerabilities in it's wiki, and has very limited use cases beyond emergent ponzi value.
That being said, creating a digital scarcity to act as functional proxy for human productivity, thus money, is hampered by every new shitcoin. Digital scarcity can be ruined for a couple decades, and every new shitcoin enhances that negative outcome. Utility before pump and dump please.