What negative aspects of entertainment in our society does Suzanne Collins seem to be warning us about in The Hunger Games?

1.
Reality TV: we seem to find it entertaining to watch others
struggle and have bad times. E.G. Cops, Survivor, Hoarders, Intervention. People watched the
Hunger Games as if it were a TV program.

2.
Violence: We have come to accept violence on TV and in movies as
adding more excitement.  No one thinks of the possible...