Given that there is an agenda attached to bear spray, add to that the data supporting its ineffectiveness on angry or excited animals, and the rate of incidence with bears attempting to claim kills and following hunters to do so, the use of a weapon capable of bear defense as necessary is shown to be advisable, not paranoid. Bear spray is advisable as well, in order to save on hassle when the situation allows its use. But ultimately, being able to kill something that can easily kill you is simply intelligent.