alt Hacker NewsI bet we'd see a bunch of unexpected breakage in presumed-to-be-lower-level-than-http[s] infrastructure so that eg. your legacy IRC server goes down because it's running on rented hardware and the hosting provider's operations rely on some internal http services.
This is extremely likely in the case of many automated provisioning, billing, and web interface control panel systems for shared hosting platforms, VPS, virtual machine service providers that likely do something https to https internally to communicate between tooling.
In my intentionally absurd theoretical scenario, what would remain up would be the bare metal in colocation in certain service providers' environments...