The following may not be suitable to all ages.The following is suitable for people who can temporarily stand dubs and terrible voice acting.
You only need to watch about the first seven seconds or so.
So yeah. Reason #1 is the terrible voice acting. Makes me wish these guys would stop dubbing all the good series.
How do you think Umineko's dub and Fairy Tail's dub will turn out? ;_; I swear, if they screw up Maria and Beatrice's laughs... Same with Natsu's voice (Fairy Tail).