I wouldn't call it naive to believe it will work eventually, if the time scale for eventually is unspecified; after all, we are an existence proof that it's at

I wouldn't call it naive to believe it will work eventually, if the time scale for eventually is unspecified; after all, we are an existence proof that it's at least possible. Pinning down that timescale is the tricky part though. Also, your username is hilariously apt.