You just put words in my mouth by inventing that scenario. I responded to what you wrote, not to some hypothetical that you didn't write.

> rationalist assume the data is true.

That is an utterly absurd statement. There is nothing rational about blindly believing any particular piece of data. What you are describing is a religious dogma.

If you want to bring a survey result in to argue that it supports causation in a particular direction then do so by citing it and clearly articulating the connection.