Animal conformity

A dog walks into a bar. It sniffs around, and the owner shoos it out, but not before giving it some food for its trouble.
A bear walks into a bar. It sniffs around, the employees lock themselves in the kitchen, and the bear is captured and put to death for its trouble.

Why is it considered fine to completely domesticate a species [mainly talking about dogs here], make it a slave to its human captors, and have it admonished for showing the most minimal of animal behaviour [barking, sniffing, humping etc.) or even put down for defending itself? Why are certain breeds considered more 'dangerous' than others despite all animals of the same species having the same primal instincts? Why are dingoes considered more dangerous than dogs and shot on sight, despite there having been only 3 dingo attacks on humans in history, and thousands of dog attacks per year? After all, dingoes are just wild dogs.
I'm not a PETA supporter. I don't mind eating meat, after all, we have canines [you know, those pointy teeth for chewing meat] for a reason. And we do TRY to keep it humane. I just find this whole thing about animal conformity completely fucking ridiculous. Bears are just like any other animal: ordinary until you provoke or scare them. It's not the bear's fault that it's big and strong enough to kill a human in one blow, much like it's not our fault that we're big enough to accidentally kill thousands of ants on any walk through the bush.
Also, that Subway employee was really fucking stupid.