The air pollution in Malaysia, or commonly known as "the Haze", was primarily caused by the government inaction towards proper regulation of air pollutants in various industries across the region. In addition, the phenomenon thought to have spread throughout on the majority of the South-east Asian region.
It means that he has abided by certain mores for his whole life and by using the literal example of “pulling a thorn”, he’s saying, “there’s not one person who i haven’t helped, that’s what makes us brothers. When they need me i help them, and when i need them they help me.” It is interesting because he’s explaining that just because it’s not normal for you doesn’t mean it’s not my version of normal.
This is known as a "free verse".