Is the recent ubuntu apt spam getting you down – just move or remove
/etc/apt/apt.conf.d/20apt-esm-hook.conf
and apt goes back to doing it’s job without spam.
Updates to ubuntu-advantage-tools will restore it…
so for a longer term solution check out: https://askubuntu.com/questions/1371014/what-is-ubuntu-advantage-doing-on-my-fully-supported-20-04-box-what-is-it-che