You are right because the real reasons why Bitcoin was invented isn't only to stand as an investment strategy but rather to stand as a decentralized medium of performing transactions from person to person (p2p) directly without involvement of a centralized authority and also to replace the use of fiat so by accumulating bitcoin in other to make profits in the future, we are also acquiring it to stand as a medium of exchange from one person to another.
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Please note I am fully aware of the importance of Bitcoin aside from a store of value, though it is used as a P2P transaction or it is also used as medium of exchange. But the fact still remain that Bitcoin holding is very important and should not be underestimated. You can use bitcoin for transaction either P2P or as a medium of exchange of buying and selling. but what more important does it provide again all usage? It is definitely a good store of value. Your monetary with in life is measured by the amount of valuable volatile assets you have which could be you stepping stone in old age. I think when you are talking about bitcoin you should remove you mind in the primary aspect, which is the use for exchange in form of fiat. But think of how important it will be while HODLing for a long time.

How would you feel when you are in your retirement age and your long term bitcoin holding now becomes your redeamer? Because that is exactly what it will be. by then you will no longer think of holding rather using it gradually.