I think a downvote-as-disapproval wouldn’t work in this case, I would want to use upvote+disagree to express “this is an important change that the community should know about, but I disagree with the decision”. A downvote de facto communicates “I don’t want people to read this post”.
I think a downvote-as-disapproval wouldn’t work in this case, I would want to use upvote+disagree to express “this is an important change that the community should know about, but I disagree with the decision”. A downvote de facto communicates “I don’t want people to read this post”.