Originally Posted by Lloyd Tackitt
There are too many variables and too few facts in the OP to be able to come to a reasonable conclusion. But...one thing we can count on is that amazon acts in its self interest. If they are in a wholesale review removal mode, then the reason for it has to be to help them maintain or increase book sales and thus profits. Ultimately that should help us too in a generalized way - or at least I would give it a 90% probability that it will
I can't see how removing poor reviews from another writer's book will help anyone other than that other writer - and Amazon.
If you both have a book in the same genre, and the other writer has a similar number of positive reviews as you, but also has some very negative reviews, then the scales tip in your favour. Remove those bad reviews and you are on a par. It would only help writers who are less than popular, and at the expense of better writers.