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Originally Posted by mw828
People are not (Or only rarely) handing out what their model predicts. None of the xG guys do it really, the only one I can think of is Goalimpact, which is a different type of model. I think the few that openly share their models do not use them for betting or ikts. That said, there are absolutely a lot of people who do use them for those purposes that understandably don't just give away their predictions.
So it should be clear why I'm skeptical about a predictive model that only reveals it's predictions after the event.
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That said, even a tool that allowed you to more objectively evaluate past results would be useful to someone who doesn't want to base whether they were lucky/unlucky on merely hot takes.
It's only useful if you accept that the tool is accurate in the first place.