What would be the point of a "crypto stockpile"? If we agree to use bitcoin as money, that's like sitting on a pile of cash. That's a well-known financial blun

What would be the point of a "crypto stockpile"? If we agree to use bitcoin as money, that's like sitting on a pile of cash. That's a well-known financial blunder. If we agree to use bitcoin as an investment instrument, then we're never realizing any gains, which would make it pointless. Somebody help me out here, what am I not understanding?