Sure, people do have to buy food to live, but that isn't the point. Just replace "less valuable over time" with "not much more valuable over time" in my comment. The point isn't that gold went up or down by 1% between 1750-1850. The point is that people are buying bitcoin for opposite reasons. Is it a currency? If so like you said it shouldn't be going up quickly. Is it an investment? If so, where is the cashflow?