Well, I'm hardly an expert on any of this, but bitcoin is a type of cryptocurrency, right? So a criticism of crypto in general is likely to apply to a type of crypto.
What's a "hard money use case"? Are you saying bitcoin can be used as real money?
"Bitcoin (BTC) is a cryptocurrency, a virtual currency designed to act as money and a form of payment outside the control of any one person, group, or entity, thus removing the need for third-party involvement in financial transactions. It is rewarded to blockchain miners for the work done to verify transactions and can be purchased on several exchanges."