Sure, show me anyone who will consistently convert big macs to US dollars, and I will happily show you the division button on your calculator.

In case you need it spelled out, there is, and has always been, a liquid market for the conversion of gold into US dollars. There isn't one for converting Big Macs into anything. They're worthless for trading the second they cross the counter at McDonald's.

For someone lashing out at "illiterate college students playing at economics", you're not exactly showing off your deep insight.