I can’t really see the picture
This should be a writer's opinion
That is because it might differ based on who was talking. Some might disagree that it has become run-down, or some might say that it has become such way before "just recently".
4. They were trying to influence the readers, which were mainly the American Colonists and the citizens of countries like England.
5. The readers might not have gotten the point they were trying to make. The repetitive sentences kind of enforced the point they were making.