The following logic is used:
Atheism implies one doesn't believe in God(s).
Not believing in God(s) implies not believing in a theocracy.
Not believing in a theocracy implies a political stance.
Therefore Atheism implies a political stance.
Atheism implies one doesn't believe in God(s).
Not believing in God(s) implies not believing in a theocracy.
Not believing in a theocracy implies a political stance.
Therefore Atheism implies a political stance.