Definition: In this task, you're given reviews from Amazon's products. Your task is to generate the Summary of the review.
Input: I am confounded by all of the 5-star reviews here. Perhaps the other reviewers are just used to absolutely terrible build quality. The backpack is a handsome one, but on closer inspection, it is apparent that the manufacturer used only the lowest quality fasteners, clips, straps, and zippers. After just three open/close cycles, the zipper for the main compartment is broken. The sort of broken that nothing but a replacement could remedy. I am very disappointed with this purchase. I'll stick with the superior quality of Swiss Army Gear.

Perhaps the other reviewers are just used to absolutely terrible build quality