"Source of those fights is older than the bricks of this building but nobody's doing they research. You got a bunch of parents. Teachers. Politicians. Whoever. Trying to understand these kids. But how you gonna understand a book you only skimming?"

To understand a text, book, or article, we can use the reading technique of skimming, which is reading for the main idea and picturing the rest with logic and reasoning. Therefore, for someone to understand the source of those fights, skimming is a useful tool.

Explanation: Skimming is a reading technique that helps the reader understand the main ideas of a text. It is known for being a fast and simple technique that doesn't require much time. However, If done efficiently, a reader will be able to understand what the text is trying to convey. Thus, to understand the fights and not waste too much time, the person must skim several sources, look at pictures, headings, and topic sentences, so that the important information can be inferred by using logic and reasoning.

idk,video game or film