Curate, connect, and discover
Am I missing something or is Yu Ziyuan half at fault for the Lotus Pier Massacre? I'm not talking about beating Wang Lingjiao up (understandable). But right before that, beating Wei Wuxian up to the point where he can barely move. And then when she starts beating up WLJ and orders her dead, WLJ escapes past WWX. He totally could've stopped her from setting off that signal flare if he hadn't been whipped with Zidian within an inch of his life.
I know there were a lot of factors and even if she hadn't beaten WWX up to the point where he couldn't do anything, or even if she grit her teeth and bowed down to WLJ (and subsequently cut off his hand), they probably would've found another excuse. But YZY's actions really didn't help.