Even if they can safely reach the garbage dump, because bottles are slippery, and are not easily flattened, they create "soft land" which is not safe. They also take up a lot of space, and with dump space increasingly hard to find, the bottle's special features turn into headaches.
即使不被亂丟棄，而能安全抵達垃圾掩埋場，寶特瓶又因質地光滑、不易壓縮，造成掩埋場土質鬆軟、易滑動、佔據空間，在垃圾堆積如山、垃圾大戰四起、垃圾場一地難求的今天，這些「特點」不免又讓人大為頭痛。