What I would say is be considerate of others. Like you mentioned earlier. Do unto others as you would want them to do unto you. Now of course not everyone has that mindset but oh well. You be the good example and just be considerate.
If you are afraid your words will be taken out of context then use a disclaimer. Easy peasy. Steemit just operates differently and the culture here is for the most part supremely considerate of others and positive as you said. This is what makes Steemit so unique because I don't know of any other platform that has a noticeable culture. Especially a very positive one.