Is Calling a Book a Cinderella Tale Really a Compliment?

Recently, The Bees was on sale, of which I learned through Bookbub. So I went to Amazon to check it out and read the following review from Margaret Atwood no less: “[A] gripping Cinderella/Arthurian tale with lush Keatsian adjectives.” But is it a praise or shade, sort of like, “Heh, she couldn’t even come up with an original plot”?