I think you're overstating how bad it is for Rachel. Whenever I play competent Rachels, it is practically a never ending intense chase while I try to stick to her like glue and she winds around and zones nonstop. I can't really think of how it could be terrible, maybe just a bit disadvantageous. Do you have any examples, or a match vid or something that would show what you're talking about?
Or do you also play Rachel or something, and fight lots of Hakumens.