> CERN engineers had considered moving to CentOS Stream as a more natural pathway but ultimately they say "the straw that broke the camel's back" to abandon Red Hat Enterprise Linux was the "-march=x86-64-v2" compiler flag default as "forced obsolescence" for old hardware.

I think I read recently about another large company or institution that cited the same reason for moving away from a major Linux-based OS.

For industrial computers and other embedded systems.

Computing AFAIK is very much still based on RHEL-based distros, Alma Linux specifically.

https://linux.web.cern.ch/

Just in time for the slop transition ...