As someone who has worked for them. I can tell you that we try not to damage the package, but we have no control over the flow that comes our way. Many packages get damaged when there is a "Door Buster" and the Extendo get packed to the brim.
What is this Door Buster? (I call it this but it has a different name)
When a bunch of packages gets routed your way. (The image below give you a hint what i mean)
Amazon will no longer use UPS in the near future. Amazon makes a total of 5% shipping volume for the United Parcel Service(UPS).
Also, good for them, lo