Because arh, void deck much smaller than ballroom. You scan the
void deck roughly know which idiot never give ang bao, which idiot
gate crash your wedding.
Or be like me la, I already think in advance my seating arrangement
liao. Who sits where depends on who gives how much.
Give >500: Sit next to me at the wedding table
Give >400: Sit in the middle of the ballroom
Give >300, sit at the sides of the room
Give
Give <100: Go sit toilet.