Actually, just thinking outside the box a little bit, you might be able to semi-automate it.
There is a technique that some of us have used in the past for automatically deleting old data.
You might be able to adapt the same technique for use here, but it would be quite a lot of work to setup, especially if there are several tables involved. And you’d still have to do a bunch of clicking (as an Admin, that has ownership of all rows) to apply it.
@Jeff_Hager first described the technique below:
If this is something you’d want to pursue, let me know and I can probably give you some more detailed guidance on how to set it up.