Everyone does ethical and unethical things. We all try to do more ethical things and fewer, or no, unethical things. But IME nobody is perfect. When you're in

Everyone does ethical and unethical things. We all try to do more ethical things and fewer, or no, unethical things. But IME nobody is perfect. When you're in second place, it becomes really easy to see all the unethical things the A swimmer is doing, and to forget about any of the less than ethical things you might have done to succeed. And if someone is really doing something qualitatively unethical, it will often catch up with them. Be patient.