Four questions:

1)  Some people are reading these posts thinking proof of stake is some crazy, amazing thing now, but there's a few issues.  The coin you were working with was in a low market cap, utilizing a coin many people probably thought was abandoned.  This, as you alluded to, made it so the minting model on the coin seemed to work exceptionally well at the start, and the mere creation of this single thread caused an already noticeable drop in efficiency?

2)  Can this test be redone again to see how much capital is needed to live off beef jerky acquired solely from the stake now that the market forces have normalized on stake difficulty?

3)  Was this a front running/dump campaign?

4)  Will the market even accept coins in the long term where people can arbitrarily set crazy interest rates that may or may not be used depending on how liquid people wish to keep their money?  A corporation could just corner the market on some stake coin years from now, require you to pay for their services in AT&T coins, then payoff whoever is running the thing to issue an "emergency maintenance" fork to raise interest rates higher.  The idea of these stake coins existing in that context is absurd and wide open for abuse, while PoW is not.  As time goes by, I think more people are going to see these proof of stake coins don't pass the Occam's Razor test, and that you cant just let some random guy off the street design weapons of financial terrorism.