The user could always write a comment (or a separate post) asking why they got a bunch of downvotes, and someone would probably respond. I’ve seen this done before.
Otherwise I’d have to assume that the user is open-minded enough to actually want feedback and not be hostile. They might not even value feedback from this community; there are certainly many communities where I would think very little about negative feedback.
The user could always write a comment (or a separate post) asking why they got a bunch of downvotes, and someone would probably respond. I’ve seen this done before.
Otherwise I’d have to assume that the user is open-minded enough to actually want feedback and not be hostile. They might not even value feedback from this community; there are certainly many communities where I would think very little about negative feedback.