We need more people to hear everything, even if they might not completely agree.

I'd say most of them would disagree, except maybe the moderate ones, if the issue isn't very polarizing. I see it as a needed reality check from time to time for an administration with a high approval rate, to not get drunk on their own popularity and start thinking all they do is the best (and it often isn't, because they are rarely contradicted where they make mistakes when they are on high horses).