There is more than meets the eye.
Rationalism leads to sophocracy, the rule of the (supposedly) wise. Of course, it's a travesty of the idea of wisdom to equate its meaning with possession of ultimate truth or exclusive access to superior insight. However, in a rationalistic culture a voice tends to enjoy popular authentication when it appears to be the voice of an expert. In this way, we are being inundated by a deluge of expert voices crowding out the limited, genuine expertise of which we are capable.