Er im very confused where is your question
There is no period at the end of the sentence
What is this about? What story is this from?
Answer:
When we read a website vertically, we do this because that is how we read papers and books.
This is not smart since we are only seeing the things the creators want us to see.
Creators know what make us think a website looks authoritative.
So when we read vertically, it is often impossible to determine which info is reliable or unreliable.
The phrase in the excerpt from a 1964 interview with Malcolm X indicates that he is explicitly stating an opinion is this "<span>{I don't think that it} serves any purpose for the {leaders of our people} to waste their time fighting each other needlessly."</span>