I spoke to Sienna about a month ago when this subject came up on the other board. She confirmed that yes, this is a current promotion and to call Barry for a ride. She stressed that it must be a pre-arranged ride because he might not always be close by. The program began as a way for new people to get used to getting out and about in a safe manner but can be used by anyone. You have to call Barry to arrange the pick-up and if he is in the area, he can do it. He is not a regular Negril route taxi so isn't always local.
Basically, it wasn't designed as a program regular rides for experienced negrilaholics but a good opportunity for first timers who are leary leaving the safe confines of their resort yet want to get their feet wet exploring the many great restaurants and bars safely without being raked over the coals for $$ because they are "green" to the system.