Why don't EA's want to change?

Max Planck said "A scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die and a new generation grows up that is familiar with it. ". 

I think this can be generalized to "A better approach or more accurate way of seeing the world, does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die and a new generation grows up that is familiar with it". 

Oh if only it were true what William Blake said "Truth can never be told so as to be understood and not be believed"

But in perhaps we need to look to George Orwell for the explanation in industries dominated by fashion, lead by marketeers "In a time of universal deceit - telling the truth is a revolutionary act". 

Matthew 7:6  also bears reading