(i) Sectional interest groups play a valuable role. Where different groups function actively, no one single group can achieve dominance over the society.

(ii) If one group brings pressure on government to make policies in its forms, another will bring counter-pressure not to make policies in the way the first group desires.

(iii) The government gets to hear about what different sections of the population want.

This leads to a rough balance of power and accommodation of conflicting interests.