How does a lack of communication lead to a lack of emotional connection in the Interpreter of Maladies? Can this be used as a theme?

The lack
of communication between Mr. Kapasi and the Das family leads to a lack of emotional connection
by making it hard for the parties to comprehend the mannerisms and behaviors of each other.
First, Mr Kapasi is shocked by the way the Das family treats each other; the father and mother
(Raj and Mina) act like older siblings instead of parents to their children (Bobby, Ronny, and
Tina). According to Kapasi, Mina seems to hate doing things for her...

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