As everybody else indicates, you don't have to answer them. But if they really back you into a corner and some reply is socially or tactfully unavoidable, as a last resort consider this:
Practice this so that you will be ready for them. The WOJ answer is so appropriate, make it a habit to think that way :)
Remember, if they are entitled to Theocraptik Warfare, shouldn’t you be able to do so as well?
And "good avoidance" to you