It doesn't matter if the bear can count. The vital thing is that you be faster than someone else in the group visiting the bear...and the odds of that will probably improve in a larger group.

You see, the average bear gets distracted by grabbing and mauling ONE human being. It occupies the bear for some time and satisfies the bear's need to express his annoyance. While that is occurring, the other people can escape.

This doesn't work if you visit the bear alone.