In your opinion, what is the most significant barrier to achieving harmony between various cultural, religious, and societal groups?

The most significant barrier to achieving harmony between various cultural, religious, ad societal groups and learning and respecting one another's

I think "Integral Humanism" is a new social experiment buzzword to distract those who have more money than is good for them and, thus, have the freedom to advocate for a utopian vision of society. Until they develop and understand their own personal, social, and economic responsibilities on a small and local level, they need to stop trying to "transform" western culture into some kind of paradise.