I agree. The Daily Mail no doubt uses this as a way to say “legally changing your gender should be harder”, but that’s fixing the wrong problem. Gender fluidity isn’t the problem, gender inequality is.
Gender should be as unimportant as eye color in most things in life. If your system breaks from someone changing their gender, you need to fix your system.
Take an egg, up close, and smell it. You smell that? Now you know what it is.