The punchline is this: "It's 2021. The research participants are in their late-30s now, which means they've had plenty of time to shape their own destinies. But we can clearly see that the experiences of their childhood had a huge effect on their financial situation as adults. It also has an effect on virtually everything else in their lives." You cannot infer the direction of causality from this data, i.e. that the…
The whole point of the study is to show that kids that grow up with more adverse effects which are out of their control makes them more likely to have problems as an adult.
You seem to say we can't infer causality, but that's exactly what they do. They show that having been affected by more adverse effects does make you more likely to suffer in the future. As the study says being poor is one of the adverse effects but not all. So that's your control right there.