im a christian. so, its probably best a christian answers this.
Explanation:
you remember at the tower of babel when everyone was trying to build the tower so they can see into heaven and were making it taller and taller. Then, God decided to make all their cultures and languages different. if you think about it religion goes by culture, honesty. God found that it was best for everyone to be different by changing everything so they couldn't understand each other to continue with the tower of babel. God isn't Christian. The religion of Christianity is based off of man.
Explanation: The world may be a better place if it was all under one thing people agree on. But this also eliminates the freedom of choice among people. And as of viewing history christians have fought against each other, so this can be debated.
