For Katello users this is the sane/expected default behaviour. It allows for the synchronization of partial Ubuntu mirrors, a very common use case in the wild. Users often stumble over the error that is thrown for such mirrors without this setting.
Related issues
Feature #35496: Add default pulp_deb config during installer runs
Added by Quirin Pamp over 1 year ago
Fixes #35496 - Add default pulp_deb config
https://projects.theforeman.org/issues/35496
For Katello users this is the sane/expected default behaviour. It allows
for the synchronization of partial Ubuntu mirrors, a very common use
case in the wild. Users often stumble over the error that is thrown for
such mirrors without this setting.