Agreed that Will's theory is nicer than yours. That said, with emphasis on "some," I think yours is true. Although the Christians I know are far more likely to use "religion" to refer to Christianity. (Still more so are the Catholics I know inclined to use "religion" to refer to Catholicism.)
I was just referring to some Protestants who will share such statements as "Christianity isn't a religion, it's a relationship" or "I hate religion too. That's why I believe in Jesus." Of course, most Protestants do not do this.
Here's the new thread for posting quotes, with the usual rules: