Nope. Because of the rep cap, you can max out your reputation gain every day without ever answering another question. All you need is a significant enough col

Nope. Because of the rep cap, you can max out your reputation gain every day without ever answering another question. All you need is a significant enough collection of old useful answers that get upvotes every day. Jon Skeet will keep his rank at #1 even if he doesn't answer another question, because he gets 200 points every day from his old answers. The only way anyone can gain on him is by getting accepted answers or bounties, because those are not subject to the cap.