[xmprt]

On the other hand, if we force all systems to be resilient to an internet shutdown then we'd end up regressing society by a lot. Think about how much more work a single doctor is able to handle more efficiently by having internet access (eg. charts, patient history, access to all the world's libraries) that would be lost without the internet.

[MarkusQ]

If we don't force critical systems to be resilient to an internet shutdown, we'll be doing the meme. Specifically:

Weinberg’s 2nd Law:

If builders built buildings the way programmers wrote programs, then the first woodpecker that came along would destroy civilization.