There is indeed a professional side to hobby wargaming. Designers, editors, and publishers of wargames are definitely all talented individuals. But there is another side to professional wargaming, and that is wargaming for the Department of Defense (in whatever country you live - for me it is the U.S.). And they are desperate for fresh talent and more talent. Here is a very good article, about someone I know (and participated in a professional wargaming design session with, just a month ago). A good article, read it even if you aren't interested in the profession, it is eye opening.
Wargaming Needs New Recruits