Besides, The way titles are currently being published (tith a sub or a mountain of other garbage ), they need a TON of cleanup.
I simply open the MDE, copy the good stuff and bin the fluff.
A novel is NOT a subtitle
The complete <seriesname> vols 1-3 Gets divvied up to the proper fields.
Other than the initial commissioning of Calibre with your massive
archive, the Metadata cleanup just takes ~30 seconds (I also weed the comments of all the other ad hype. I want a synopsis, not a sales pitch)