I see a lot of comments questioning the usefulness of this, arguing that in a doomsday scenario you will have more important problems (like power) rather than access to the internet.

Which is kind of funny to me given that this year, I (along with 90 million other Iranians), experienced this exact scenario when the Islamic Regime decided to shut down the internet for three months (https://en.wikipedia.org/wiki/2026_Internet_blackout_in_Iran). Certainly something like this would have been very useful.