$GS and $MS will suffer from prop spin-off

I beleive one of their advantages , if not the main one, is that their flow (customer) trading gives them an advantage into what the"market" is doing. This allows their prop. desk to benefit...in a way its kind of legal inside trading. If they install a real chinese wall, this advantage is gone. (This applies to other investment banks as well, but more so to $GS and $MS...just look at the % of profits from Goldman´s famous FICC department.)