The Pantheon of Modern Gods was big.
It had to be, because it was the religion that best fit the Age of Mechs!
In a time where god pilots arose to spread and enforce the dominance of mechs in a post-Age of Conquest society, many people developed a deep desire or compulsion to worship them as literal gods!
Worship of the first god pilots known to the public had already begun at the start of the age. The practice gained a lot of momentum as god pilots frequently appeared at the border of human space and regularly utilized their vast and transcendent might to beat back incursions from hostile aliens that thought that human civilization had become vulnerable due to all of the destructive infighting!
While former rulers of the Milky Way Galaxy were not wrong that humans had lost a huge amount of strength, they misjudged their ability to take advantage of the situation.
God pilots were virtually invincible in battle!