Bouncers Check Your Phone, Not Your Pupils
The nightlife claim is safety, but the real border control is social: who looks connected enough to pass, who looks too eager to be desperate, and who gets waved through because their messages prove they belong.
The new etiquette of the room is not about drugs or danger, which is exactly why it works so well. Everyone is performing responsibility while the actual screening happens on the most embarrassing device you own: the phone that shows your group chat, your ticket, your dealer, and your need to be.