There is no message his campaign could give other than "Biden is running" and have Biden still run - any other message would damage him. Saying you are conside

There is no message his campaign could give other than "Biden is running" and have Biden still run - any other message would damage him. Saying you are considering dropping out would be immediately pounced on, and effectively mean you'd have to drop out. So I don't think there is any signal in the messaging there except that he was probably still seriously considering running.