I don't disagree with you, I was just trying to come up with a reason we might not want to contaminate it. If there's no life on Mars, I don't see any obvious

I don't disagree with you, I was just trying to come up with a reason we might not want to contaminate it. If there's no life on Mars, I don't see any obvious ethical problems with introducing life to it. I mean, I guess maybe if it there was some reason it would be bad for the life forms, versus being bad for Mars.