Any attachment, however powerful and useful it may be, say genetic, idealistic, ethnic, nationalistic, religious, caste-creed based, that undermines the importance of oneness at a given moment, is at that given moment dragging you down than otherwise.
Mankind’s greatest strength is in the form of creativity, i.e. how one creates this random nature of reality. This strength helps us acknowledge if not understand this unknown oneness out of which arrives all that is perceivable.