While he mentions that to him, it seems that deemed honour is a proxy for social status in some cultures, in none it is. Egregious manifestations of social status, do come a mile apart from what even moderately enlightened person considers an honour in cultures he listed. His finding went only a finger poke length in the issue.
No sane Sikh or Bengali will publicly admit that men who killed their wives in anticipation of Pakistani army coming, rather than to defend them with their lives did an honorable thing. These historical episodes are publicly denounced as the most shameful in history of Sikh and Bangla communities, with only few fringe, marginal religious fanatics coming forward with opposing opinions.
Nor will any normal person from Balkans accept exceptional vengefulness as something to be proud of.