Bears are not as dumb as you seem to think they are. Tahoe has some very polite smart bears. They have learned how not to get the rangers upset with them and still raid your food supply. There is one sow up there that has learned how to open bear boxes and car doors by using the door handle.
Patron Member NRA
"I would not be an old man if I had not been an armed young man." JTJ
I was taught to respect my elders but they are getting harder to find.