>The obvious counter-argument is silencing them strengthens their argument and makes them a martyr. I don't buy that argument at all, it's far more dangerous to allow them to indoctrinate and appeal to all the fringe disenfranchised youth which they've become frighteningly effective at. In any case it's clear reddit can be used for good like in this article, I'm just not so sure it's a net positive to society as anot…
The problem with this is that human beings will reject ideas that don't agree with what they want to hear, like the populations of coal towns in Appalachia that want to blame "Liberals" for their lot in life because they've hitched their wagon to the (dying) coal industry and don't want to change.
It's like the Simpsons Principal Skinner meme. "Could I be wrong about something? No! It's definitely everyone else that is wrong!"
Also, ideas don't woo people in and of themselves. Why do you think that charismatic leaders can swap entire populations to follow horrible ideologies that offer simple and easy solutions to their problems by throwing other people under the bus to pave the way to a better future for a select few?