In speech 18 we see a brief summary and some counters perhaps explaining much of the point of trying to abandon the spirit of actions " Renunciation of actions arising from selfish desire is known as sannyassa by seers; the abandonment of the fruit of any action is called tyaga by the wise. 3. Some thoughtful people say: "Every action must be abandoned as an evil." » » P. 72 In the extract, this is told to others from what Lord Krishna presented, which here presents almost the whole case forcefully. So giving up all functions does not mean giving up all the actions you might have and this distancing of the mind can be done to have an overview of the politics going on around them in the battles that they must lead.