I disagree with that. It’s human nature downvote something you disagree with when given an option.

It’s best to just acknowledge it and accept it to some degree while still encouraging users to upvote well written disagreements.

But don’t pretend that it shouldn’t also be used as a disagree button frequently. The two way voting system is a large contributor to what made reddit great. It has some drawbacks, but don’t expect that to change. It’s like asking lead to not be dense.