Unity needs a way to check Inspector Gameobjects Items like Tags for references

I might be doing things wrong by design so correct me if Im wrong and unity has this/ or is not needed. I would like quick ways to see EVERYTHING that references things in the inspector, inside of scripts. For instance, if anything references a tag name, I want to know that before I change things.

is there any reason unity does not have the option to right click on the tag area, or layer area on an inspector area object and search for scripts that have references to Layers and tags so you can see if and what might need to change? Sometimes I might need or want to change a tag or layer only to wonder what references the tag or layer.