Well, bears are quite famous for bluff charges, so, "Bears are legally wise creatures because one charged me, but called it off at the last moment like a well trained armed civilian who fired a warning shot as I was ripping off his motorcycle"?
Probably not. Biologists (Scientists, who are authorities in such matters) tell us that bears bluff charge because their confidence level hasn't risen above their anger.
Moreover, throwing pine cones is likely to be well understood by sasquatches to be less-than-lethal, in the current terminology of the legally minded, so the practice of throwing things might consist of several possible motivations, including simple harassment.
I was present at the San Diego Zoo when a gorilla soiled several people like this: