If it's any consolation, they aren't blind anymore once they've evolved.

[He turns the camera towards the two Hydreigons curled up in a corner snoozin'. D'aw, isn't that cute?]

As for complaints... well, my only real complaint is that there are way too many people hanging around Goldenrod City and there really isn't as much to do competitively when you've gotten all the badges.