Your first point is correct, but it (like the second one) has no bearing on the issue of the medical soundness of the department's positions and policy.
Going back to the top of this thread, I agree that correlation does not mean causation, but in this case, we do not yet even have a justifiable claim of correlation, and RFK Jr. has repeatedly demonstrated his propensity for substituting unfounded opinion and incorrect data for empirical facts, if it suits his agenda.