Tradition is an important thing that some people feel really sentimental about, because of that we have people having a hard time letting it go.
Some things people see as traditions can be cruel and sometimes the world can be unfair… People are sometimes really unlucky. Not everything is what it seems. The lottery written by Shirley Jackson discusses these topics.
When the narrator is describing the village, she/he is using words that make the village sound beautiful and very harmonic.
The nature in the village is described as being amazing. The setting is also very cozy and the author is intentionally describing the village as being this amazing utopian paradise.
The way the author has described the village is intentional so that the ending becomes more choking.