What is a good thesis statement for discussing "A Good Man Is Hard to Find" by Flannery O'Connor?

When
formulating any thesis statement, or literary argument, it is important to make sure that you
create a statement that is debatable. Observations and facts are not debatable, so the first
step is to look at possible arguments you can create around the ideas contained in 's short
story. Here are two examples of statements that are not debatable (and therefore, not thesis
statements):

• The grandmother in O'Connor's short story might seem
  like a Christian, but she is actually a dishonest hypocrite.
• The
  grandmother's selfishness shows that she does not possess Christian values.

O'Connor discusses a variety of complex topics through the vehicle of the
family car journey. Some examples include what it means to be a Christian, inter-generational
family dynamics, and morality and its impact on society. Your first step is to select one of
these topics and create a debatable statement that will function in your essay as your argument,
or thesis statement.

Let's start with the...