There was a common saying in the biz/tech world that A's hire A's, and B's hire C's, the point being that as long as you continued to recruit only the very best people, they would attract others, but as soon as you let your standards slip, the second-raters would begin to sign up third-raters to act as their minions and advance their agendas.
Day 18 (This saying was popularized by former U.S. Secretary of Defense Donald Rumsfeld in his "Rumsfeld's Rules" document, dating back to his tenure on the Ford Administration transition team.) - Reamde (2011) - Part II: American Falls