Bach didn't write pop music that was the product of the current culture. He wrote in a style that was considered archaic and byzantine; a dead style even in his time. Baroque music was dead and classical music was on the rise. He was always well respected, but never popular in his lifetime (or generations after).

I also object to your claim that Lord of the Rings invented its genre. I don't know who considers Inception a masterpiece in the same way Lolita is. And so on. I'd complain more about all the wrong things you wrote, but I wonder if there's a point. It just bothers me when people try to get all intellectual about things of which they clearly have no knowledge.