Mosquitoes are more useful than bees, they're simply natural-born spies. They effortlessly squeezed through the cracks of the window and into the room, allowing Suming to eavesdrop on Nana and several other streamers' phone calls with perfect clarity.
From their conversations, it could be deduced that the whole Boiling Platform was colluding to launch a major battle of insults, seemingly with the tacit approval of the Boiling Platform's higher-ups, specifically Mr. Zhang. Nana mentioned this point more than once during her calls with the other streamers.
It's unlikely she was just spouting nonsense. Without the higher-ups' tacit consent, it wouldn't be possible for the entire platform to act collectively.
Now it seemed that the previous worries weren't unfounded. Mr. Zhang, who, over the phone, had readily agreed to everything, had made a complete one-eighty due to the drive of self-interest.
