It'll never end. Mandatory yearly flu shots.
I don't know why they want to force the shots so much. It may be just to stress the fear and subsequent controls, or it may be in the path of sneaking in CRISPR crap years down the line. I wouldn't be surprised.
The movie is a satire of the book. The book is trying to present some interesting ideas on how citizenship should be tied to responsibility.
Sometimes I wonder if things would be better if voting was restricted to people who pay income tax.