Why should anyone follow your advice??
They can chose to do so if they want. My tangs did cause me to lose a lot of my more prized fish. Introducing that many I guess I was hit with velvet. I lost my angel, my pair of ocellaris, male clarkii, and my half black angel, as well as two of the weaker tangs. All in all it was a bad loss, but im very happy with what I have left. Id be happy to show an updated photo, but I guess you might assume it's an old photo either way ill post a new one in a few. They school nicely now.