Prevent used files from being removed
In my previous CMS, I couldn't delete an image or file or media until I removed a reference from a page where it has been used. This was really good feature as no one could just remove the file or image from the library unless they removed the reference.
I think we should add to this idea, the idea presented here:
They are similar, related ideas that are both good ideas.
If I had any votes left I would give 3 votes. I really does not make sense to give the user the ability to delete used images / documents.