Definitely asking too much. In order to get names right, an announcer needs to be able to either: find the online roster and listen to a player pronounce her own name; listen to how the PA announcer is saying it; ask Dan; ask Mandy; or be able to read phonetically.
Still, not the worst. As far as I remember, he only inconsistently missed: Skaja, Heise, Potomak, Dunne, Tatur, and Knowles. I don't know if he ever attempted Hanzlick, because my stream was frozen for long stretches of the third period. At a minimum, I always knew what name he was attempting to say, and he gave us a name, as opposed to calling them all "Minnesota."
It brings back fond memories of the days of Seeler, Schleper, and Schoullis, when unfamiliar announcers would just invent random sounds that started with an S and use them somewhat interchangeably for any of the three.