Purpose of Sub Weldments

What are the advantages of using Sub Weldments exactly? I'm curious if Sub Weldments may be the solution to the problem I am having - Weldments are great for quickly creating structural "assemblies", but I want to detail each individual piece of a Weldment without having to create display states/configurations and hiding the other pieces as this makes working with drawing views kind of a pain for one thing. Are Sub Weldments the way to go for this? Or do they serve another purpose? All SW Help has to say is that it makes Weldments more managable which could mean anything lol.

Note: I suppose another way to go about what I'm trying to do would be to save each piece as as separate part file, but this also doesn't sound too fun. And for the sake of this discussion, I am just curious about these Sub Weldments.

SolidworksWeldments