I think what I was looking for was "the end justifies the means."
There are otherwise "nice" folks out there who consider vandalism to be a viable response to a political sign or bumper sticker - Has this country become so polarized, so mired down, that we won't be able to establish a dialogue with those folks? Right now, if some side says that the sun will come up in the morning, the other side wheels out the skin cancer experts, or proclaims that the first party is responsible for using up the sun at too rapid a rate...
And people pay attention.
Because for reason to work, there needs to be bilateral communication. As it is, when the second amendment comes up, they do the equivalent of sticking their fingers in their ears and singing... How can one get past that?