Spuds - be assured that such creatures do exist; I've worked with a number during my career both in IAL and CAA.
There are a good number of ATCOs who are also commercial pilots so they, presumably, enjoy doing both jobs.
There are certainly a significant number of ex Air Traffic Control Assistants who failed to make ATCO but are now heavy jets - several in command. There are probably a similar number of ATCAs and ATCOs who simply wanted to be pilots and have changed careers. I don't think anything can be read into these facts.
Me? I never ever wanted to be a commercial pilot. Being home every day with my wife was far, far too precious and I wouldn't have changed that for anything. I also thoroughly enjoyed the life that niknak spoke of..