They could've saved a lot of time if they just read the Terence Tao blog (I'm being a bit cheeky here since it's a rather counterintuitive insight and doesn't n

They could've saved a lot of time if they just read the Terence Tao blog (I'm being a bit cheeky here since it's a rather counterintuitive insight and doesn't necessarily hold for all cases). "If X correlates with Y and Y correlates with Z, then this does not imply X correlates with Z." https://terrytao.wordpress.com/2014/06/05/when-is-correlation-transitive/ https://terrytao.wordpress.com/2014/06/05/when-is-correlatio...