Why move the folders? Leave them where they are and simply have LR reference them in place.
You can then impose whatever structure (or lack of it) that you want on a virtual basis. What I do is to organize images using Collections. This way you also can have multiple copies of the file in different catagories without using any additional disk space.
This is a new approach to file organization. Try not to impose old ways of working and thinking.
Well, that's what I'm forced to do, as I don't have the time to re-organize the folders the way LR is forcing me to do, as it's too time-consuming. And I can't just re-import all the files, as they have metadata, keywords etc. attached to them which would mean re-doing a lot of work.
But I'd like to have a clean folder structure as well. My current system is quite chaotic, to say the least. Finding that certain photo without LR is a major undertaking. Further, if LR loses a photo, finding it becomes a needle-chase in a haystack.
There are other reasons, but the main point is that managing folders should be more manageable, as currently it's literally 10 years behind any rudimentary file manager. (I know LR isn't a file manager, but having the basic functionality of moving a bunch of folders at the same time should be a no-brainer.)