Well - think of it like this.
They get to FEEL the are Slaving for the Lord - while doing absolutely nothing.
The only thing better would be if they could do this at home.
They even get to take turns sitting in the car - or going for coffee.
Service has become so much easier - almost every other month there is some campaign where all you do is hand out flyers without having to get into a conversation.
And now you have Carts where all you do is stand.
I bet it won't be long till the Pio hrs requirement is dropped again (was 90 when I was doing it) then it will be a great shout of praise when the rolls increase:)