But whether people are interested or not is not your call to make. Why not ignore the douches and approach the subject honestly? Not to mention that the verse says you should always be ready to give an answer to everyone who asks - not "except for douches".
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.'