I was really not a fan of it at all. It seemed unnecessary, and to me it perpetuated the idea that people are fat because they’re slobs. Also, since the weight didn’t seem to have any effect on his physical ability (as you mentioned, he goes right into battle just as fat), why would he have even gotten fat? It seems like his God-powers gave him the ability to stay in top physical condition internally, but not externally? It doesn’t make sense. I just feel like it was a lazy joke.