I say this to younger ones that come to the door-that if they ever need to talk about leaving their religion and are afraid to talk to anyone about it, feel free to ring the bell again and ask for me.
But I never see them out in the neighborhoods anymore, only standing on the sidewalks at the parks and train station. And it's always the ones that are pretty old by now (70s plus).
I won't waste my time on the older ones. Instead I ask them what they think of cost of [insert whatever court ruling went against JWs in the last year that can easily be found on court websites via their smart phones...] and how they feel about their financial contributions paying for it.