He should know his top 10 candidates. I get he doesn't have the time to connect with the NSA and check every social media post or IP address potential candidates have made in the last 15 years.
Nobody is arguing that. But almost everything Warde would do falls under FOI requests and some candidates don't want that paper trail. And as someone else pointed out the search firms may have some names that Warde doesn't know are interested.
You have a point that some of these services are borderline extortion. But they do a great job of finding a niche as middle men. Once they have enough success stories they become a standard hire.
But there isn't an athletic dept in the country that has the in-house talent and time to do this as well as the search firms.
PES has financial and time comparative advantages and that's how they sell themself.