I agree! Creo can track named/renamed dimensions and keep all the corresponding relations statements happy. I don't see what they can't do the same thing with parameters. Unfortunately, you're not the first one to create an idea for this. See these other ideas:
As Marco Tosin suggested, I've moved this Product Idea into our PTC Creo product community.
Mike Jenkins, in the future feel free to add your feature enhancements to that space, as we use the PTC Community Help group to discuss improvements to the PTC Community website.