The text mentions being argumentative is bad. Why is that, according to Sai Baba?

In Chapter 2, a strong warning is issued against having a mind for argumentation. The text explains that where there is a tendency for argumentation, there is an "abundance of ignorance and Maya." Such a state of mind is considered to have no purity of self-interest, being filled instead with bad thoughts and false logic. A person driven by argumentation is deemed unfit for self-knowledge and is said to be devoured by ignorance. The text bleakly states that for such individuals, there is no happiness in this world or the next, only perpetual unhappiness. Therefore, readers are advised not to engage in dualistic explanations, as it is considered a useless effort.