New research reveals interesting details about the kindness of strangers

What about Maslow’s Hierarchy of Needs? Maybe he’s missed another level at the top, i.e. when all your not just basic but ‘icing on the cake’ level needs are being met, perhaps the next one is to look out for the well-being of others around you?

Less well-off individuals might not have the luxury of time or resources to help out others as frequently or to the same extent?