A mission statement doesn't encode all of human ethics in it, it's just a single sentence. Any mission statement could be bad if taken to the extreme. A super-Facebook that told you the thoughts of every person in real time, a super-Google that could fetch any knowledge, including credit card numbers, etc etc. https://www.lesswrong.com/posts/4ARaTpNX62uaL86j6/the-hidden...

Have a mission statement, just don't go crazy with it.