I think it's the duty of the comedian to find out where the line is drawn and cross it deliberately.

Where the line moves

There's something almost protective about how we draw lines around what's acceptable to talk about. We decide certain topics are "too sensitive" or "off-limits," and we police them carefully—sometimes to preserve genuine respect, but often just out of habit or fear. George Carlin's point cuts right through that comfort: comedians aren't being edgy for edginess's sake when they push those boundaries. They're doing something more useful. They're testing where we've become numb, what we've stopped questioning, what we've agreed not to see.

The tricky part is that this applies way beyond comedy. In any conversation—with friends, family, at work—there's an invisible line about what you can actually say. Usually it's there for good reasons. But sometimes it's there because we've inherited it unthinkingly. The comedian's job, in that view, is to remind us that lines move. They're not laws of physics. And when a rule stops making sense, someone has to be willing to name it and challenge it, even if it feels awkward or wrong at first. That discomfort? It's often where real thinking begins.