I wouldn't place too much credence on the article as it also suggests politicians are more trusted now than in previous generations.
As for bankers I am afraid that the tens of thousands of good honest people who were doing a good job in providing services to joe public who have lost their jobs since 2008 have more than paid the price for the casino trading self interested bastards who caused the problems.
Anyway, I need to run as the private jet taking me to the villa in Monaco leaves shortly.