Just for clarification. I support participation in whatever organized competitive shooting discipline anyone is interested in. Run and gun has brought in a lot of support for all shooting disciplines, and, yes, the older disciplines are declining in numbers, and that is fine with me. I still feel that a little practice in the older disciplines like bullseye and F class will benefit the run and gunners, just as participation in IDPA or USPSA would benefit bullseye shooters if they are able to do both. I don't push bullseye at the exclusion of run and gun and I don't push run and gun over bullseye. I have done both and enjoyed both. I push recreational shooting and the firearms hobby.
The original question was about single handed standing shooting discipline, which is bullseye. That discipline is declining in numbers and interest (but still exists) as the younger shooters that have come in to the sport want to learn run and gun and that is fine, as it simply is of more interest and is more fun than bullseye for the younger crowd. But the number of people participating in all types of firearms disciplines is increasing, and that is good, in my opinion.
The practical focus items I care about are focus on firearms safety and responsible gun ownership and an understanding and support of the second amendment. Those items are elements of every shooting discipline.