There are so many genes that are particularly suited to a situation, and can be natures way of showing us how to do some of the things we need to do in the most efficient manner. If we notice the traits before they disappear. It's one thing to lose them, but is is irresponsible to throw them away, or deny them the chance for the sake of quick profit. What is being lost, are genetic traits that can help us over a much longer term.