We have found no evidence of this. All the bears came to the park at the same time as orphans back in 1988, so they were all raised together in this exhibit. Bear behavior is very complicated. As I said earlier, they are each unique in personalities. One bear will react differently than another under the same circumstance.
Bears are, however, very curious.
We have a drive through park, and people use their own vehicles to see the animals. The bears have always been both amusing and destructive, though not on purpose. The two male brown bears love to play with cars. We brought this behavior on ourselves, by accident. We gave them a tire to play with when they were young.