Philip Kim knows what you’re thinking: Breakdancing? At the Olympics? That’s not even a sport. He agrees with you, mostly. He just prefers you call it by its proper name: “Breakdancing” is something only outsiders say. Those who know call it breaking. But Kim, who is better known as Phil …

Before I sit down to talk to TikTok CEO Shou Zi Chew, he apologizes for the noise. The evening’s guests have been doing sporadic sound checks all day: Peso Pluma running through his opening number, Offset ad-libbing over a backing track. I passed by throngs of One Direction fans to …