It's argued that the sporting uses mean the boom thingee is not a weapon. However, even the specialized and techy events and guns are derivative of their primary lethal usage for people or animals.
Look at a lumberjack competition - certainly an axe is a deadly instrument or weapon and some were designed for such. However, one can use the axe as a tool easily. The competitions primarily practice such. Yeah, there are axe throwing as a side event.
The boom thingee was designed not to cut down trees but put holes in living creatures. The sporting events came from practice of such.
The Swiss shooting competitions were to practice using them as weapons and not as a method of making holes in Swiss cheese.