Criticism is the most necessary thing for the development and evolution of any Society, Religion, Culture, Art, Science, Country, or the World as a whole absolutely for rectification of anything and everything criticism is or says critical comments are required.
And thus for the development of the human species, the human brain, and for the growth of different perspectives being critical is mandatory for an individual.
And for being critical it is much important to be able to think from a different point of view and understand all perspectives of a situation and is very important to have a free throat or free voice that talks without being biased.

Muktkanth se : Andhere pr Prakash by Abhinav Prakash Upadhyay, is a collection of Hindi poetries that talks about various aspects of society and criticizes the superstitions held in still today, talks about the country, culture, and things going around in the world and at the same time condemns war and ask humanity to come front and evolve and rise. And wishes for peace and equal rights. Urging masses to be human first and choose Humanity.