Duh, big banks would win. Think about it, if they remove competition from the private equity market, then they monopolize capital financing. This revision is nothing more than a monopoly bid.
The time and complexity is often as bad as the money. Time and complexity is something smaller ventures are incapable of dealing with, while larger ventures can easily just throw their big bureaucratic might at it.
We seem to be rushing headlong toward a kind of Soviet economy in which huge mega-corporations aligned with the state run everything. (Actually, fascism is the proper term for this... but lumbering dinosaurs like the Telcos, GM, etc. are a little more Soviet in their drab outward appearance.)