God I hate Alexander. He was in so many sucky episodes of TNG, and then sudddenly here he is, stinking up DS9's amazing run. I'd have preferred it if they'd just left him forgotten, a I rally didn't like the direction that him and Worf supposedly took after TNG.
I also hate the dumb trope of children aging much more quicker than usual on TV, purely for the sake of 'interesting' stories. Feh.
The other half of the episode was better.