I have no opinion on whether Manu was guilty or not, but people do sometimes plead guilty to crimes they didn't commit. They do it when the police convince them they're going to get it worse if they don't fess up - this is often the case with confused young people or people with mental disabilities. Or they do it when their lawyers think they're going to lose the case and can get a better deal by plea-bargaining and admitting guilt to a crime they didn't commit.
very tough tackle for teh referee to adjudicate. The player certainly goes past horizontal and teh first point of contact is with the ground is the players shoulder, but just barely so. Ref's, being human and acting in real time without th ebenefit of replay, won't get it perfect every time. I think a penalty and yellow card is just about right in this situation. The Toby flood tackle below, where teh player landed on his head/neck/shoulder is a very different tackle and deserves a red and citing. even if Flood didn't intend the spear, he initiated the tackle that brought the plyer into the air and he is responsible for the tackled player's safety once he does so. It's not an easy game to play or referee, but if we don't put safety before fairness, we jeopardize the players' health in one of the most dangerous parts of our game.