Like what general investors in BTC have decided, its not meant to be used to buy groceries. Its a store of value
It depends on the person who is using bitcoin. There are people who are using bitcoin on their everyday needs since this is the only way they are earning money, and they really need it, that is why we can't blame them on using it on their everyday living, though in a way they are throwing away the profits that they could make in the long run if they are going to hold it and will just convert some if they need it.
Actually, majority of the person here they used bitcoin to their daily lives to all expenses they need to buy. Especially, bitcoin most used for sending money thru remittances.