<p>You have nothing to loose by accepting the spot, but some people don’t like the uncertainty, and prefer to make definite plan and move on. Others are angry, and feel like it’s their chance to “reject” WUSTL for not accepting them. </p>
<p>If you want to keep the hope alive, and don’t mind the uncertainty, accept the spot. The chances are slim, but some people do get in off the waitlist…</p>