FWIW :

fabien@debian2080ti:/media/fabien/slowdisk$ ls -lhS offline_prep/
total 341G
-rw-r--r-- 1 fabien fabien 103G Jul  6  2024 wikipedia_en_all_maxi_2024-01.zim
-rw-r--r-- 1 fabien fabien  81G Apr 22  2023 gutenberg_mul_all_2023-04.zim
-rw-r--r-- 1 fabien fabien  75G Jul  7  2024 stackoverflow.com_en_all_2023-11.zim
-rw-r--r-- 1 fabien fabien  74G Mar 10  2024 planet-240304.osm.pbf
-rw-r--r-- 1 fabien fabien 3.8G Oct 18 06:55 debian-13.1.0-amd64-DVD-1.iso
-rw-r--r-- 1 fabien fabien 2.6G May  7  2023 ifixit_en_all_2023-04.zim
-rw-r--r-- 1 fabien fabien 1.6G May  7  2023 developer.mozilla.org_en_all_2023-02.zim
-rw-r--r-- 1 fabien fabien 931M May  7  2023 diy.stackexchange.com_en_all_2023-03.zim
-rw-r--r-- 1 fabien fabien 808M Jun  5  2023 wikivoyage_en_all_maxi_2023-05.zim
-rw-r--r-- 1 fabien fabien 296M Apr 30  2023 raspberrypi.stackexchange.com_en_all_2022-11.zim
-rw-r--r-- 1 fabien fabien 131M May  7  2023 rapsberry_pi_docs_2023-01.zim
-rw-r--r-- 1 fabien fabien 100M May  7  2023 100r-off-the-grid_en_2022-06.zim
-rw-r--r-- 1 fabien fabien  61M May  7  2023 quantumcomputing.stackexchange.com_en_all_2022-11.zim
-rw-r--r-- 1 fabien fabien  45M May  7  2023 computergraphics.stackexchange.com_en_all_2022-11.zim
-rw-r--r-- 1 fabien fabien  37M May  7  2023 wordnet_en_all_2023-04.zim
-rw-r--r-- 1 fabien fabien  23M Jul 17  2023 kiwix-tools_linux-armv6-3.5.0-1.tar.gz
-rw-r--r-- 1 fabien fabien  16M Oct  6 21:32 be-stib-gtfs.zip
-rw-r--r-- 1 fabien fabien 3.8M Oct  6 21:32 be-sncb-gtfs.zip
-rw-r--r-- 1 fabien fabien 2.3M May  7  2023 termux_en_all_maxi_2022-12.zim
-rw-r--r-- 1 fabien fabien 1.9M May  7  2023 kiwix-firefox_3.8.0.xpi

but if you want the easier version just get Kiwix on whatever device in front of you right now (yes, even mobile phone assuming you have the space) then get whatever content you need.

If need a bit of help I recorded TechSovereignty at home, episode 11 - Offline Wikipedia, Kiwix and checksums with a friend just 3 weeks ago.

I also wrote randomly update https://fabien.benetou.fr/Content/Vademecum and coded https://git.benetou.fr/utopiah/offline-octopus but tbh KDE-Connect is much better now.

The point though is having such a repository takes minutes. If you don’t have the space, buy a 512Go microSD for 50EUR then put that on, stuff it in a drawer then move on. If you want to every 3 months or whenever you feel like it, updated it.

TL;DR: takes longer to write such a meme than actually do it.