A store of Value , Holds it Value Relative to Fiat.
Bitcoin is not a store of Value as over 80% can be lost at a moment's notice as the past year has proven.
Things that value is almost fixed are a store of value.
People need to learn the difference.
Bitcoin is a fluctuating medium of exchange, it has never been and never will be a store of value.
Your view is likely a valid one. However, according to Wikipedia, a store of value is the function of an asset that can be saved, retrieved and exchanged at a later time, and be predictably useful when retrieved. In other words, a store of value is anything that retains purchasing power into the future. For instance, the most common store of value in modern times has been money, currency, stock or a commodity like a precious metal or financial capital. Do you agree that Bitcoin is money, currency or an asset? If yes, then, it could likely serve as a store of value.