[ownedbycats]

That makes sense.

Another potential use I can think of:

I have an "abandoned" status for any fics that were deleted from the site before completion or haven't been updated in a long time. Every few months, I run an update on them in the off-chance that any of them were revived (it's happened once!)

If I add the deleted-from-site fics to the reject sites it ought to speed up the process a bit by skipping over them instead of checking and going "yup, it's still deleted!"