Late Monday night, a group of male TikTok stars who belong to the Gen Z influencer collective known as the Sway House charged up the streets of the Hollywood Hills. They were on their way to the Hype House to confront a fellow TikTok star, Chase Hudson, 18, about comments he had made earlier online. Some of the most high-profile teenage influencers, including Mr. Hudson, had spent the previous several hours waging war on each other online in an event that became known as “Tik