Yeah, that title is click bait. The format is perfectly fine for long term archival.
In fact, I'd wager that all the focus that article has put on the minor problems with the format has taken much needed attention away from the fact that the maintainership makes xz-utils inadequate for long-term archival...
That attack article puts forward a dubious scenario where parts of multiple copies of a file become corrupted in different locations and you need to recover the original using both of the damaged copies.
If you find that sort of thing happening to you a lot, then lzip might be the format for you. But I can’t say I’ve ever heard of that being a real recovery scenario.
A much saner approach to enabling recovery from corruption would be to keep external checksums and parity files.
In fact, I'd wager that all the focus that article has put on the minor problems with the format has taken much needed attention away from the fact that the maintainership makes xz-utils inadequate for long-term archival...