These are the failure modes that show up over and over in real reviews and real use. Each one is paired with the angle Packy is taking on it.
Most laptop sleeves sit at the bottom of the bag. When the pack is set down hard on a tiled floor or train platform, the laptop hits the ground through 4mm of foam.
A suspended laptop bay with a 25mm false bottom and crash foam, so a 1.2m drop onto the back panel doesn't transmit straight into the device.
Pack Hacker, Carryology and dozens of YouTube reviewers cite 'set-down shock' as the #1 quiet killer of work laptops.