Yes, they are not always correlated. Obviously. What point are you trying to make?

> The two common examples of diversified survivors of the last GFC are Citi and JPMC.

Are you actually holding Citi and JPMC up as examples of some kind in regard to benefits of combining retail and investment banking? If so, would you similarly argue that because not all S&L associations had gone bankrupt or been shuttered by the late 90s, that's somehow an indication that S&L associations needed no regulatory reform? If there are 10 people on an island and all of them eat a particular indigenous fruit and then 8 of them die from it-- but two survive unharmed!!-- would you say it is wise to continue eating the fruit?