God Gundam is entirely depicted the way gods are depicted in Buddhist iconography. Pay particular note to the way the fins on its back create the golden halo that Buddhist artwork uses to denote a divine character.
God Gundam is also born from a giant red lotus, for ****'s sake, and grows stronger by meditating. It's a Buddhist deity incarnate as a robot, part of the long tradition (going back to Mazinger Z) of robots being treated as incarnate gods.
Changing God Gundam's name to Burning Gundam perverts every story-significant scene the robot appears in and makes the entire second half of the show less interesting. That arc is about Domon achieving calm and triumphing over his anger, achieving the divine quality of zen. So hey, let's dub his robot's name with a word that connotes anger.
The 'Burning Gundam' name change was an obvious necessity for US TV airing but the name change demands no respect whatsoever as a creative decision. It actively damages the meaning and creative intent of the series on a deeply fundamental level.