No, the true enemy is the oligarchy, where , no matter what the economic principle, or the political system, the wealth and power gets concentrated to the very few, and a substance amount of people live in poverty. That can happen under socialism, that can happen under capitalism, that can happen under democracy, and that can happen under communism.
Just becasue you claim, and the bible claims it didn't exist doesn't mean you are right. In fact, from a testable and repeatable examination of the situation, we know that the YEC interpretation of the bible is wrong.
As for the one from seth to noah.. there is a much more logical explaination. It was made up to make a good story. We don't have any evidence that is it more than that. There are no records, there is no evidence that is it more than just a story.