While that MAY be true (no evidence to prove or disprove that claim), that doesn't mean that it's a bad investment.
A well-run ponzi can be profitable for a very long time, and people CAN make a lot of profit.
Unless the ponzi's running on its last legs.

So far it seems to be going good, but we're only at 37% of our initial investment, so that could just be our own money trickling back to us.
In any case, as soon as we're at, or over 100%, we're in profit, and we'll see what emicoin is made of.

A ponzi is only as strong as it's investors, and it seems that our 74 btc deposit would make a huge difference for all other investors.
And that's assuming it IS a ponzi, just to keep all nay-sayers happy.