Why is an argumentative mind considered a barrier to spiritual realization in this text?

Chapter 2 strongly cautions against an argumentative mindset, presenting it as a major impediment to spiritual progress. The text states that where there is a mind for argumentation, there is an abundance of ignorance and Maya. Such a disposition is characterized by a lack of pure self-interest, being filled instead with bad thoughts and false logic. A person with this nature is described as unfit for self-knowledge and is said to be devoured by ignorance, leading to unhappiness in both this world and the next. The chapter advises against trying to establish one's own side or refute others, calling such dualistic explanations a "useless effort."