Like the ad-based businesses: this is just a spreading-around of "discretionary" income that originates from other sources.  When the real economy crashes, there will not be many people paying for "virtual" stuff.
What kind of clue should it be to us when you simply state "when the real economy crashes?"
One of the consequences of PO will be that people in the formerly affluent societies will be forced to re-learn the difference between "needs" and "wants".  Real wealth grows in Kansas, not Wall Street.
Gotta run, but before I do I'll say how it strike me ... not so much that it is out of the question, but simply that it plays in certain forums better than others.

TOD is a place where commens like that are not uncommon ... noble forum or buglight, only our grandchildren will know for sure.