I love it when TV shows mirror real life.
Crazy right-wing extremist shoots up peaceful, diverse left-wing advocate getting ready to campaign for the diverse, sophisticated, empathic, left-wing candidate. And then the right-wing candidate flies off the handle, refuses to denounce the killing, and doubles down on more right-wing extremism and conspiracy theories.
Y'know, because that's always how the violence goes. But hey, it's England, so........