Scenario: big delay on intended route/destination........possibly draconian level cap as well......file a different route to different destination and divert en route!!!! I'm sure that has never happened...but if it ever did and then happened again and seemed to become a normal operating practice.....one might become suspicious. In real life though, a controller might be genuinely concerned in case he/she can help in any way, because we know that not all diversion reasons will require an urgency transmission. Things aren't always black and white in ATC....if we can help then we will.....for whatever reason......besides..we might know of a closer loo!!!