Too bad those other relevant factors didn't counsel against giving up 2 second-round picks for the guy, or paying him a dump-truck full of money.Exactly... we can predict the outcome correctly (and accidentally) using the wrong logic.
In this case, the question assumed that if he fit the WCO that would be the determination that we use to keep Marshall. As CK points out above, there are obviously other factors. Pro Football is a business and whether we like it or not personality and off-the-field issues are relevant.