A clear, logical and well-structured article that focuses on facts and refutes a couple of the key arguments of the other side, such as the old 'Michael Phelps is 10 feet tall and has flippers so what are you going to do about swimmers like him???' argument.
The Guardian's American readers won't like this at all so I expect there will be a rebuttal printed in the next few days from one of the usual suspects, most likely an American trans activist. Chase Strangio, perhaps?