Right, and a malicious litigant will argue that the feedback they received represents discrimination against a protected class. It doesn't matter if they're wrong so long as you're still forced to come to court to defend it. They just offer to settle for less than what you winning in court will cost you.
The article linked in this thread claims no one has ever sued based on constructive feedback: https://news.ycombinator.com/item?id=22258113
(Not that I give it when rejecting most candidates, because I don't want to deal with an argument. In practice, I only gave constructive feedback once, and then posted it on my blog: https://blog.andrewrondeau.com/software/careers/interviewing...)