My question is about preventing another Civ's religion victory.
Without a religion of my own, I feel powerless to prevent another Civ from winning a religious victory. In my current game, I was late to the party for religion and didn't get a great prophet, and therefore no religion of my own. India has converted 4 civs, including mine, to Hinduism. What can really be done to stop them from converting the other 2 civs and winning a religious victory? Obviously declaring war and wiping them off the map is an option, but I'm not focused on military and they're located on the other side of the planet. I could never fund/execute a large enough war to stop them, not to mention every other civ would turn against me due to the warmonger penalty.
On a side note, why would I ever want to help spread another Civ's religion when my cities have been converted?!? I now have the option to purchase disciples with faith to further help India cruise to victory.... great. Is there really a scenario where this is useful? I suppose if the religion was a minority and you are trying to maintain a religious stalemate between 2 opposing civs this might be helpful, but seems like a waste of resources to basically be helping other civs get ahead.
Am I just totally missing something with religion here?