Not trying to be argumentative, but how can you control what bites on my night crawler? You can control when you release an arrow or pull a trigger.
Granted, if I was an NR fishing in MN and I hade a huge lure on my line chances are I'd be fishing for muskies not blue gills. Would the CO write me up for that? Hard to know, but there are examples of Iowa COs trying to write up hunters (one notorious NR) for deer hunting without a valid tag. The hunter(s) in question were bow hunting with rattling antlers, grunt calls and a bleat can. When questioned he (they) was coyote hunting. The hunter(s) did have valid NR hunting licenses so the judge threw the case out. How can you prove what a fisherman is fishing for or a hunter is hunting for unless they have fish on a stringer or deer on the ground?