This kind of offline website option is really important not just to people who have broken internet, but also those who live in remote areas or in difficult political situations.
Offline material can be distributed physically or through a local server and mesh network without ever connecting to the internet, which means it can bypass geographic or political barriers.
Kiwix themselves give an interesting example of this: https://www.kiwix.org/en/ladakhipedia-offline/
@kiwix
Another example where Kiwix could be useful, Italy has apparently started quietly blocking Project Gutenberg:
https://mastodon.social/@ooni/106906884520455293