Casualties could fan nationalist flames on either side and cause twitchy officers, or political leaders, to respond in ways that lead rapidly to disaster.
The real Mad-Eye Moody was at the staff table now, his wooden leg and his magical eye back in place. He was extremely twitchy, jumping every time someone spoke to him.
She described how a bunch of Facebook employees had come to Mark Zuckerberg to suggest that the company might want to tone down some of its algorithms so that, in her words, the platform became less twitchy.