Personally, I always found Gallywix hilarious. I didn’t care that he didn’t care, because he was funny and my goblin PC can take care of herself, thanks very much (it’s the goblin way).
As for Gazlowe, I have nothing against him as a person (goblin). I just think they should have promoted a Bilgewater character to be the new leader instead of importing a neutral NPC and pretending he suddenly cared about the Horde.
Anyway, just because Gallywix was a bad leader doesn’t mean I want to fight him. Maybe if this was the first time I’d ever had to go after a former Horde leader turned evil, I wouldn’t mind, but at this point I’ve been there, done that, got the T-shirt, and would be perfectly happy never to do it again. I already suggested an alternative fate for him in another thread: