What you call "additional revenue for the system" is actually a government bailout by tax increase (plus inflating the money supply).
It is absolutely fraudulent. It is fraudulent to force me to invest in a fund when I want to invest my money elsewhere because I think I can get a higher return.
It is also fraudulent to force me (as a taxpayer/holder of USD) to bail out such a fund.
I called it a "Ponzi scheme" because of the idea that later "investors" pay for the prior generation of "investors"---which, like a Ponzi scheme, fails (and requires a bailout) when the next generation isn't large enough.
Admittedly, my definition of "fraudulent" above isn't true in a strict accounting sense. AFAIK the books are essential "open." Nobody is being deceived. However, it is someting worse than being deceived. It is knowing the unfortunate truth, but being forced to "invest" (and to "bailout") anyway.