AWS mumbles about its cost-busting networking tech when it should be shouting

Last month I sat in a networking lab with AWS VP of Global Network Engineering Matt Rehder and cracked a joke about cage nuts cutting your hands to ribbons. I wasn't prepared for the blank stare I got in response, but I really should have been. Mind you, not because the joke wasn't funny (my jokes are hilarious), but rather because the world the joke was referencing no longer exists for them. Racks show up as assembled units, and apparently nobody screws hardware into anything in an AWS datacent