When I worked in athletic training we would say that taking a shotgun approach to therapy might work, but it wouldn't be the most effective or efficient way to go about it. The point was that if you try multiple things you might get lucky and see one of them produce the results you were looking for.
It's easy to do that in our faith, in our families and in our careers. If we try enough things and throw enough options at a situation, something is bound to work. It actually takes more effort to work with precision and to be very focused on what you are doing.
It's the difference in shooting at something with a shotgun and a sniper rifle. You have to be more clear on what you are aiming at and how you are going to get there when using the rifle, but the results are more rewarding in the long run.