"Their scepticism about values is on the surface: it is for use on other people's values; about the values current in their own set they are not nearly sceptical enough. And this phenomenon is very usual. A great many of those who 'debunk' traditional or (as they would say) 'sentimental' values have in the background values of their own which they believe to be immune from the debunking process. They claim to be cutting away the parasitic growth of emotion, religious sanction, and inherited taboos, in order that 'real' or 'basic' values may emerge. I will now try to find out what happens if this is seriously attempted". (CS Lewis, "The Abolition of Man", c. 1943)
Cheers!