You can add me to the (growing) list of users who have been affected by this. I had a usb c hub that I purchased off Amazon connected to one of the computer ports and ran my factory cable and brick through the hub port. I also had an external display connected to my other computer port. Was using the display with the laptop lid closed, everything was working fine, and then the computer just turned off. Tried to reboot it several times using every possible.method with no success. Finally gave up and scheduled a service appointment at an Apple Store. Hope they help because I didn't have Apple Care when I made the purchase so...yeah.