Oh my!
As long as the kitchen trash has a lid, Molly leaves it alone. At Christmas, we were at my in-laws' and they had a trash bag sitting open in the kitchen. After dinner, Molly came trotting into the living room with a big piece of ham skin and my brother-in-law chasing after her. I warned him not to try to take it away or she may snap at him. No amount of bribery got it from her and she ate it. Sigh...could have been something far worse. They don't have a dog and are not used to thinking like one when it comes to puppy-proofing.
Bottom line, you think they won't bother something and that's when they do. They're stubborn and smart, so they'll work until they get what they want.