I also tested this on an Ubuntu 24.04 (x86_64) host w/ GA kernel ("6.8.0-103-generic #103-Ubuntu SMP PREEMPT_DYNAMIC Tue Feb 10 13:34:59 UTC 2026 x86_64 GNU/Linux") and wasn't able to reproduce the "problem", although `canonical-livepatch` tells me that there are currently "no livepatches available".
The article does not take into account at all that you not only rent hardware, but pay for a service (which includes testing and deployment of firmware upgrades) which you would need to do yourself. If something does not work with your own device, you're on your own. Of course, the time you spend with upgrades needs to be factored in as well. If you use the same (ISP-provided) firmware, you can ask peers/other customers in case of problems.
Also, in Germany, Vodafone configures a separate Wifi connection for "guests" (other Vodafone customers). In return, wherever you go, you can use other devices. Depending on the coverage--which is not too shabby in my neck of the woods--this is actually not all bad. With your own device, this is not an option.
I've seen these dual AP setups, sounds like a great idea, but in practice the signal is weak and I pretty much would have to stay in one spot (potentially creeping out someone in the house lol) to use it properly. Mobile data is just much easier.
I guess it works for guests (but then why a separate AP? Just ask your friend for the password)
same here in Czechia, it's called UPC WiFree, it should work in other countries too, but here in Prague I pretty much never need to use my mobile data, since this shared WiFi is everywhere
But then, your personal requirements/use cases might not be the same as Facebook's. (And this does not only apply to Btrfs[1]/ZFS, it also applies to GlusterFS, use of specific hardware, ...)
[1] which I used for nearly two years on a small desktop machine on a daily basis; ended up with (minor?) errors on the file system that could not be repaired and decided to switch to ZFS. No regrets, nor similar errors since.
Next time can you not use a URL shortener but instead use cliff notes[0]? Mysterious links (especially from new users) definitely arouse suspicion of phishing/malware.
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