My point was that one of their key examples of "the elites are wrong on what public opinion is" was a subject where "public opinion" is extremely dependent on w

My point was that one of their key examples of "the elites are wrong on what public opinion is" was a subject where "public opinion" is extremely dependent on wording, and that they themselves do not seem to realize this, and it's plausible that the elites might have a better view of the public than these polls do. Some polls are built to gather information, others are built to advance a cause.