They are not highly scientific. They pretend to predict outcome, based on faulty premises. The parties live and die by the polls - this makes the polls more important than they really are.
They live and die by their paid internal polls that the public never sees.
The public polls exist to manipulate the electorate until election day approaches, then they star to converge to reality. This allows the pollsters to maintain credibility so they can be hired again for the next election.
“They are not highly scientific. They pretend to predict outcome, based on faulty premises. The parties live and die by the polls - this makes the polls more important than they really are.”
They ( polls) give them something to talk about other than the issues