[mathiasgredal]

Sure, but how useful is that when you can’t install any packages, since the package repositories only host packages for supported versions.

When a distro goes EOL, the package repositories typically move to the next supported version and delete all of the old packages.

[dsr_]

Debian has all of the packages in archives.

https://www.debian.org/distrib/archive

[boomboomsubban]

Even Arch has five years worth of kernel releases in their archives, with older versions offloaded to the internet archive.

[seba_dos1]

Perhaps if you're running some obscure niche distros. For all the major ones, this is just plain false.