I would say we are definitely more "exposed" to bear encounters than those stats give credit for. Especially with grizzly populations growing the way they are. Bear numbers are more concentrated in bear areas and we slip in there trying to be quiet AND making animal sounds. I personally have had lightning strike within 100 yards of me only once. (In town it struck the RR tracks as I rode my bike on the adjacent street...amazing) I have been closer than that to grizzlies a number of times. Not that I consider those "threatening" encounters but the exposure and frequency puts the odds a little more in favor of a charge.