This is a tautological argument. Let's say computers didn't advance in the last 15 years - one could make the case they didn't get faster because they don't fun

This is a tautological argument. Let's say computers didn't advance in the last 15 years - one could make the case they didn't get faster because they don't fundamentally do anything today they didn't do 15 years ago so we don't need them to be faster.