Maybe the "Chinese Wall" is not all that we have been led to believe?

With I.P.O.'s on the Rise, Analysts Get New Scrutiny - NYTimes.com:


In the years after the internet bubble, the so-called "Chinese Wall" keeping Analysts and sales people apart was strenthened.  The rationale for this was to reduce the conflicts of interest that arise if an analysts' rating influences whether the firm gets the business or not ("Hey we will rate you a buy if you are our client.