Shouting matches don't work. Living a life of quiet example might, but Witnesses are trained to be blind to the world - especially the goodness in it. How many times did we hear stories how crime and violence are increasing in 'this wicked world' (hint: both are decreasing)? On the other hand, how many times were stories of non-JWs human compassion held up as a positive example? Rarely if ever. The Organization depends on a black vs. white, us vs. them, evil vs. good polarization and has no compunctions whatsoever about misrepresenting the outside world. To say nothing of refusing to participate in Jesus Christ's mandate to aid those in need regardless of their faith...
"Let us then try what Love will do." - William Penn