But you still have responsibility when you assist others in doing things, whether you agree or disagree with those things.
Otherwise you are ignoring the "let live" part of your own philosophy.
For example, someone comes to you asking for your services to help them kill a third person.
If you believe in the "let live" part of your philosophy, you cannot assist in depriving someone of life in that way.
Same applies to the golden rule. It's easy to say you don't want to be denied assistance from others, so you won't deny it to them. But that's the easy scenario. Consider, when Alice is asked by Bob to help damage you, do you think the golden rule tells Alice to deprive you of life and liberty? I don't think it does.
Another responsibility that is not given enough weight is the maintenance of a civil non-polarized society.
If GitHub were to go through with it, that would make for an interesting middle-man company business model.