语法问题Yet Walzer’s argument, however deficient, does point to

语法问题
Yet Walzer’s argument, however deficient, does point to one of the most serious weaknesses of capitalism—namely, that it brings to predominant positions in a society people who, no matter how legitimately they have earned their material rewards, often lack those other qualities that evoke affection or admiration.
这句中：it brings to predominant positions in a society people who, no matter how legitimately they have earned their material rewards, often lack those other qualities that evoke affection or admiration.
It 指代什么？
为什么是people who在这里的作用，是什么结构？
Some even argue plausibly that this weakness may be irremediable: in any society that, like a capitalist society, seeks to become ever wealthier in material terms disproportionate rewards are bound to flow to the people who are instrumental in producing the increase in its wealth.
这句中: disproportionate 的主语是society么？