in the late game, saving and loading time can get pretty bad. and I believe the main culprit of this is wreaks and debris that I can't be bothered to collect. I'm think a way to solve is for you to mark salvage and debris you no longer care about. lore wise nps will collect the junk off screen or whatever.
maybe it can be a button next to the custom marker button that gives you a box select you can use with very large areas.
Simple idea that can be somewhat expanded on, but the saving/ loading times are killing me.