Someone might get rich by taking interest or profit from poor people. But that person only piles up wealth for someone who will be kind to poor people.
Anything that the dead body of one of these animals falls on becomes “unclean.” If it is an oven or cooking pot, break it. It is “unclean.” And you must consider it “unclean.”
To people who are pure, all things are pure. But to those who have twisted minds and don’t believe, nothing is pure. In fact, their minds and their sense of what is right and wrong are twisted.