Have you seen any of the drop tests?! Even the one done by 'Android Authority' was full of praise of the iPhone 5's durability
iPhone 5 Drop Test and Durability Video
iPhone 5 vs Samsung Galaxy S3 Drop Test
Oh I have and agree it's more durable as a whole but it seems to be increasingly more susceptible to daily wear/tear than the glass/steel band combination on the iPhone 4/4S.