It's not the fit, so much as the lumpiness (which is understandable, given the vast change you're making in the geometry, with only magnets). And things like suits, IME, are much easier than things like skirts.

It is a great program, easier than Clothing Converter and more powerful than the Tailor. But, IMO, it's not the answer to the lack of support problem, any more than dynamic clothing is. Useful in some situations, certainly, though.