Why does it matter if something happens in nature? Do you think animals don’t suffer in the process of being killed by other animals? I’m not necessarily saying

Why does it matter if something happens in nature? Do you think animals don’t suffer in the process of being killed by other animals? I’m not necessarily saying that we should all be vegetarians (what if we raise and slaughter animals so that they experience less suffering than wild animals do?), only that this is a lousy argument.