If you were stranded on a desert island and were starving, what would you do? What if there was no food in sight and you were given a choice. You were offered some pizza or a bitcoin. Which one would you take? You could take the bitcoin and die or take the pizza, eat it, and live!

You see, the value of anything is 100% dependent on the circumstances that surround it. They don't talk about supply and demand in Economics just because it's a fancy theory. It's not a theory, it's reality!