Now that I understand what you mean, I actually am inclined to agree with you. Much of what we do is for our benefit, not because God actually needs us to take a ritualistic bath. I see where you're coming from. It's analogous to what Jesus said: "The Sabbath was made for man, and not man for the Sabbath." Just feel
As for being misguided or evil, I think you are justified in your position of being agnostic, and you are certainly not a bad person. Faith can be either the easy road or the hard road, depending on one's willingness to understand and accept science. For me it has become the hard road, but I love to have faith in what I cannot explain scientifically. In this thread I only briefly touch on topics that I've really spent a great deal of time and energy into researching and pondering. But I respect atheists and agnostics who respect us believers.