You sir have been one of the main perpetrators when it comes to this, even to the point that you will post the exact same thing in several threads. Strangely you have attempted to justify this by claiming that the different threads all had a similar subject matter, perhaps you are just now realising your folly. Nevertheless it is never too late for you to change your ways, and your observation is on point.
The problem can easily be rectified by having the moderators merge all threads with the same topic e,g. the proliferation of "new coach" threads as well as all the "match report" threads.