Not that I intend to excuse the obvious waste, but there are at least three reasons that are probably considered by manufacturers and distributors. Large packaging on small items is both to provide a big enough space for their advertising, and also to deter shoplifters. Large shipping boxes for small items is probably to avoid shippers losing tiny packages in machinery that isn't designed to handle them.
"I Bought A 20pk Of Bamboo Straws To Reduce The Plastic I Use. They Were Shipped In A Box With Bubble Wrap. And Each Straw Is Wrapped With A Piece Of Plastic That’s As Big As My Hand"
Not that I intend to excuse the obvious waste, but there are at least three reasons that are probably considered by manufacturers and distributors. Large packaging on small items is both to provide a big enough space for their advertising, and also to deter shoplifters. Large shipping boxes for small items is probably to avoid shippers losing tiny packages in machinery that isn't designed to handle them.