Then you'd need to provide them with access to the law, previous cases, to the news, to various data sources. And you'd have to decide how much each of those sources of information matter. And at that point, you've got people making the decision again instead of the ai in practice.
And then there's the question of the model used. Turns out I've got preferences for which model I'd rather be judged by, and it's not Grok for example...