Humanity has evolved, of course, but mentalities and attitudes seem to be rooted in unequal class or caste systems, in which the interests of the dominating groups are, usually, represented as the "interests of the general public" - of the "majority".
But we could talk and talk about the different (or not so different) social and cultural structures and civilisations and their classes or castes and the everlasting socioeconomic and ideological or religious conflicts and clashes between the different layers.
Some examples:
https://en.wikipedia.org/wiki/Oligarchy
https://en.wikipedia.org/wiki/Theocracy
https://en.wikipedia.org/wiki/Social_class
https://en.wikipedia.org/wiki/Class_conflict
https://en.wikipedia.org/wiki/Caste
https://en.wikipedia.org/wiki/Precarity
Strange - in spite of the many revolutions, wars, changes, scientific and technological progresses, improvements, and widespread "humanitarian" efforts and campaigns - all seems to drive too many more or less educated civilisations back into ancient hierarchies:
https://en.wikipedia.org/wiki/Feudalism
https://en.wikipedia.org/wiki/Imperial_cult
Yes, India emerged from famines, oppression and disasters in the colonial era (and former invasions), and it has grown into one of the new superpowers. But progress involves also its negative sides, and long-standing social inequalities persist, much like in most parts of this world. Additionally, the "Green Revolution" had also a significative amount of negative environmental impacts:
https://en.wikipedia.org/wiki/Poverty_in_India
https://en.wikipedia.org/wiki/Women_in_agriculture_in_India
https://en.wikipedia.org/wiki/Discrimination_against_girls_in_India
But that is not new to us; the shares and life burdens vary greatly, from one individual or group of individuals to the other ...