I do not wish to state an opinion on whether the old WASP establishment was prejudiced and insular. I just want to point out that we are just as ignorant about

I do not wish to state an opinion on whether the old WASP establishment was prejudiced and insular. I just want to point out that we are just as ignorant about the question after reading a snippet of dialog from a movie as we were before reading the snippet. If it were a quote from book that claimed to be factual, different story.