teams require people whose role it is to comment此句it是否为多余?

teams require people whose role it is to comment
此句it是否为多余?

是多余的,因为这句话是定语从句,Whose已经代替了people.意思是people's role is to comment,而it在这里是没有意义的,多余的.

显然多余，定语从句的主语已经有了，即role，不需要再用it指代。

是
ROLE已取代了IT的位置