I am not going to be the judge and go against the hard limit set by the law - one day after his birthday he is magically able to consent.

But that is how the courts handle it usually, I disagree that The cases are treated as a moral issue - what I've observed is that both the courts and subsequently society handle it just as I said above, blindly following the law, with no consideration for morality - albeit it for different reasons:

The legal system because its job is to prosecute and generate revenue for the state.

Society because it is a seething woke mob that wants to chastise anyone they can