He knew some future things, he said that there would come a point when true Buddhism would pass out of the world. I think that even back in Buddha’s day people were fighting in the name of religion and blaming things on gods, as he came out of Hinduism.
I have yet to hear of anyone fighting in the name of Buddhism. It is an incredible peaceful belief system. Since Buddhism does not have a deity that it follows, I do not see how Buddha could have foreseen people blaming anything on a God – such a deity would doesn’t exist.
The goal of Buddhism is find peace and end suffering. One of the ways that is done is to see the world for what it really is. Seeing it in that way would show that religion itself is simply another device that adds chains to a believer instead of removing them.
Buddha didn’t mention anything about a creator because it had nothing to do with his message.
The reason people fight over religion has nothing to do with the actual religion itself. It’s because of people’s fears and insecurities which lead to anger and hatred. It is the attachment to these emotions that the Buddha wanted to extinguish.
“I came to teach two things only, suffering and the end of suffering.”