Using terms like " undeniably " from the WT Society is very similar to Donald Trump using the expression " everybody knows " in his speeches. It's misleading in that as you stated in your opening thread it's intended by the user of such words to lead the listener into a preconceived judgment or decision based on what everybody else thinks- without even using one's own mind to make an informed decision.
People who are sheeple will fall for this controlling type of language every time. And it's a form of manipulative language that many cult leaders use