Indeed, and the very concept of "heresy" has changed over the centuries, to the point where the analogy to Newton is probably meaningless. "Heresy" was consider

Indeed, and the very concept of "heresy" has changed over the centuries, to the point where the analogy to Newton is probably meaningless. "Heresy" was considered to be an immediate mortal threat to the eternal life of the soul. It was not just a disagreement with social customs. It was the spiritual equivalent to yelling "fire" in a crowded theater, or driving a truck into a crowd.