I think this characterisation of Wall Street is a little disingenuous. Just to use Goldman as an example: it's hard to claim that SSG, MSI, UIG, and others are

I think this characterisation of Wall Street is a little disingenuous. Just to use Goldman as an example: it's hard to claim that SSG, MSI, UIG, and others are acting in anything approaching a "purely facilitatory role" as you claim.