Unethical isn't the right word because it's completely legal. It's what these guys feel like they have to do to succeed at the highest level of college athletics. That's why I get where he may be coming from.
But that doesn't mean it doesn't feels dirty and (what I feel is) ruining the sport. And I would hope that if I was in Pope's same position, having been in a place for 9 years, I would be measured about how I setback an institution that I cared deeply about.