<span>The main message of the song is to stand up and revolt against the old
bureaucracy. This was spearheaded by young people, and eventually the workers
of the nation. It’s telling the people to rise up in a revolutionary struggle
against an evil and powerful regime, and defend Mao Zedong with their life. </span>
Answer:
I don't know, since I haven't read the story,, but I would like to guess it's because he is afraid that they would target nim next.
Not only should the children should be taking care of the Grandparents. Everyone should be taking care of everyone. That's how family works. They should be because, the Grandparents would (should) do the same.
