"... ads for a Brian Tamaki church event showing a boy carrying a severed head - an apparent reference to David and Goliath - and bearing the tagline 'Time to kill'."
Wow. That is extremely concerning. But imagine these people are perched on a ledge about to jump, and likely to injure or kill members of a crowd gathered below. The only viable response is trying to talk them down. Attacking them will make them more likely to harm others, not less.
