When I am hiring, for every ~30 post interview rejections I always get an angry follow up email explaining in details why my hiring process is bad and how I sho

When I am hiring, for every ~30 post interview rejections I always get an angry follow up email explaining in details why my hiring process is bad and how I should fix it. I politely reply “thank you” and silently also thank my hiring process for correctly rejecting that specific candidate.