The same could have been said about pirateat40's scam. By its very nature a Ponzi is mathematically unsustainable, even if you assume a nearly unlimited money supply, and with BTC it is even more obviously a scam.
Despite that, "respected" people here pimped the pirateat40 scam for months, many getting out just before it went belly-up. Things that make you go hmm.
I don't suppose there's any chance of getting a scammer tag until and if this idiot actually steals money, though it looks as if he might have started already. After all, the best time to close the barn door is after the horses are gone.