Critics suggested in this age of global communication and increased interconnection, 'lazy' and simplistic distinction between cultures no longer apply
Most influential studies in psychology are culturally biased eg in social influence whereas Asch and Milgram both did their original studies with only US participants - mostly white, middle-class students
Being able to see that some of the knowledge and concepts we take for granted aren't hardwired (social instead of biological) may provide a better understanding of human nature
Criticism of attachment research shouldn't obscure the fact that some features of human attachment like imitation and interactional synchrony are universal