What the situation also speaks to is that Facebook’s tool wasn’t very thoughtfully designed in the first place. Bad actors will always latch onto any poorly thought-out tool they can get their hands on (3D-printed weapons are going to be a bonanza in that regard).
It’s the difference between between someone who comes here for good-faith discourse and someone who comes here because they’re under the mistaken impression they’re still trying to impress the judges and “win” at the regional high school debate club semi-finals (see, e.g., Ted Cruz, Newt Gingrich, and just about any capital-L Libertarian politician or pundit).