I too sometimes use what would be recognised as religious exclamations, not because I'm acknowledging the concepts behind them but purely and simply because they're part of the rich fabric of language. Words have no intrinsic power; what matters is the intent behind them and there is no religious intent to my use of such phrases.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'