Big centralized retirement funds are scams and they always will be. Wherever there is a giant pile of other people's money managed by a bunch of bureaucrats, some suits will come along and find a way to profit from that pile of money in the most wasteful way possible.
Now all these retirement funds invest straight into low-yielding corporate stocks; so the money essentially ends up going into the pockets of corporate executives. And the worst part is that the government makes this compulsory.
I know superannuation is a scam but I'm forced to pay it anyway and I can't take the money out until I'm 65... I wouldn't be surprised if by that time, the retirement fund stock bubble will probably have popped and my retirement account will be worth $0... And all the fund managers and corporate executives will be rich.