Copy Clips without Duplicating Master Clips

When a user uses the Copy and Paste function for clips from one sequence in Project A into another sequence in Project B, it would be wonderful if Premiere prompted something along the lines with

Forgive my ignorance if this somehow already exists or if the solution/prompt could use some work, but...

I know there are go-arounds that involve stripping away plugins via XML Exporting/Importing:

https://community.adobe.com/t5/premiere-pro-discussions/how-to-copy-sequences-from-another-project-and-not-end-up-with-duplicate-entries-for-source-clips/m-p/5648901

This is similar to Finder/Explorer copying and pasting solutions as Premiere gives the user no option.  In its current context Project files become increasingly polluted, especially if you're using multiple clips from multiple projects. 

This would be a great feature that would save me time and sanity.