I agree, we should be outwardly focused on others. It is a consistent theme you will find in the New Testament.
http://www.openbible.info/topics/how_to_treat_others
What about general morals would you like to discuss?
However, Christianity is a choice and it's a belief system with a moral standard attached, being a certain race isn't. You don't choose your race, nor is race a a belief system.
Back to GB saying morality is a community decision, we could take politics as another example. Do the politicians we elect as a community decide what is moral and what isn't by the laws that they pass? If recreational use of weed is legal in some states, does that make it only moral there? And if it's illegal in another state it's immoral to use it in that state? Or marriage, in some states gay marriage is banned, does that mean it's moral? While some states gay marriage is legal, is it then moral? Some states allow cousins to marry, while in other states it's banned, what defines morality? Saying the community decision defines morality doesn't work, the few examples I gave shows why. If I'm missing something please point it out to help me understand, I'm all ears.
As for atheist movements that impede the rights and freedoms of others, I can think of a few modern groups that sue religious organizations for not covering contraceptives in their health plans, or sue them for not performing same-sex marriages.