I often take my gal out for breakfast for $20. If nobody was interested in Bitcoin except me, the price of all the bitcoins would be less than $20. Knowing from past experience what Bitcoin could be worth, she and I would split them all for less than $20. The ASICs would be worthless, too. So I would buy a few of them real cheap, and keep on mining for the fun of it. I mean, it happened once. Why not again? But if not, what's $20 these days?