My reading of the above: "A polling institute would have to ask better questions to maintain credibility."
=What are the better questions?
But maybe I shouldn't be in this conversation at all? (I'm don't think I'm being helpful.) Don't fight forces, use them R. Buckminster Fuller.
All questions are helpful. Convince yourself, then convince a friend, then convince an enemy. You're playing the role of friend needing to be convinced. Nothing is 'mere'. — Richard P. Feynman