I'm not sure if staring is considered threatening but I have no qualms about it.
I disagree with that taking coyotes does no impact their population. My theory is that it doesn't impact their population because not enough is taken. Each species (if it has no predators) will out produce more than the habitat can sustain. For example, if the habitat can only sustain 10 coyotes while coyotes are producing 20 pups, then 10 will eventually starve, freeze, etc. Of those 10 destined to perish, hunters are only taken 8. That's why it seems like there's no impact. If hunters took 12, then that's when you'll see an impact in their population. Basically, hunters are not taking as fast as coyotes are producing. That's just my theory.