What evidence is there to indicate that she modifies the quality or style of her writing for different audiences?
We both know you're not the least bit interested in evidence. Why pretend to ask about it?
For an understanding of the writing process, check out Claire Kehrwald Cook's Line By Line: How to improve your own writing, published by the Modern Language Association.
If people really want to check out her legal writing, it would be easy. Simply find some of the cases on which she worked as a private attorney through lexis or something, go to the courthouse, and get a copy of a dispositive motion or appellate brief she wrote. They're public records. If you really want to criticize her legal writing, that's the type of thing at which you should be looking.