[aninhumer]

Now I think this probably is causation, but pointing out that the correlation is really strong is not an argument against "correlation is not causation".

[sitkack]

Reflexively trotting out "correlation is not causation" is a thought terminating cliche. It short circuits our thinking. People often stop at the statement, feeling satisfied in their scientific abilities.

[DennisP]

But actual experiments can find causation, and they did those experiments.