'Pulp' refers to 'wood pulp', as in cheap and without much substance. Though you're right, judging something as objectively good is a generally hard thing to do

'Pulp' refers to 'wood pulp', as in cheap and without much substance. Though you're right, judging something as objectively good is a generally hard thing to do, especially when what you are really trying to do is guess what people in 100 years will think of as good.