That is without a doubt. But is it required for composition? Even when zoomed in and trying to use manual focus in magnified view, the resolution of modern day EVF is not a limiting factor.
On the other hand, blown highlights under bright sunlight and dark unresolved shadows, laggy and grainy EVF under low light can adversely affect the composition, iso, exposure comp, manual focus decisions.
I am not saying higher definition EVF is not good. But given the choice by Sony, I will choose a more responsive and more practical lower res EVF over a higher def EVF with more limited usage under adverse operating condition.
Of cos if there is an A6000-N down the line with a high definition EVF that performs the same or better than A6000 EVF, I will not hesitate to buy it.