Because all the real bears would kill you for that insult, but on Halloween everyone is dressed up like a moron anyway so we let it slide. Seriously, Dihm. That's like me asking why you don't go around dressed as JarJar.
Dear Everyone, I have learned to use the mighty hatchet. You can begin kissing your asses goodbye now. Bear
Bitterness and Loathing generally come after the first mating season, and continue for the remainder of the creature's life.
"Trout stealing" from my own damn pond! Set up national parks to protect the wilderness, then put the bear on a diet and abuse him with sticks. This is bullshit!