Handling T246056: Remove any references to fixcopyrightwiki from the meta-index in Wikimedia Cloud Services reminded me that we really should be running sudo maintain-meta_p --all-databases --purge more often. I feel like running it automatically has been discussed in the past, but I do not remember why we decided not to do it.
Tagging with DBA only to get their input on if this is a really bad idea. WMCS folks would take care of the Puppet automation and babysitting.