I have a loyalty that runs in my bloodstream when I lock into someone or something you can't get me away from it because I commit that thoroughly. That's in friendship that's a deal that's a commitment. Don't give me paper - I can get the same lawyer who drew it up to break it. But if you shake my hand that's for life.
Instead of having to be a member of the Royal Society to do science the way you had to be in England in the 17th 18th centuries today pretty much anybody who wants to do it can and the information that they need to do it is there.
