Last October my town was hit by what we now call the "October surprise" - a whole lot of snow fell in 4 hours and brought down a whole lot of trees that still had a whole lot of foliage. Before they could re-hang the electrical wires, professional arborists and tree cutters swept through the neighborhood and cut away all the hanging branches and dead trees.
Having nothing else to do, and no place to go (the street was blocked by dead trees), we spent most of two days watching the tree cutters swing from tree to tree using ropes and pulleys and other equipment. This spring, professional arborists were hired by the town to determine which trees had to be brought down because of the damage. Thankfully, very few of the trees that were left on my street needed to be taken down. So I'm guessing the ropes and pulleys and people swinging from the trees caused no damage.