Take a look at the record of the young MP who is Madigan's age and manages to behave like a professional adult. Madigan was legally an adult when they stood for a public position, were judged competent to take that post, and has stood on a public post with public responsibilities lobbing grenades ever since.
The whinging that 'don't be horrible to child' doesn't cut it.
Either the Labour Party should be held responsible for fielding a child in a political post and not controlling their behaviour (I'd have some sympathy for that POV, I think they've been astoundingly irresponsible in maintaining a young adult in a post they are evidentially not mentally fit for) or else we are talking about an adult in a political position who is behaving extremely badly and should be held responsible for that behaviour.
The fact we're even having this conversation illustrates clearly the male privilege accorded to a TIM, a biological woman would never be allowed this much indulgence and unconditional awww bless support.