TS :
Many long-haul scheduled operators just do a couple of runs with the bar, like before the meal, but in betwen also come through with tea, soft drinks and water, like every couple of hours.
I think the problem with the charter operators is that every drink service is seen as a revenue opportunity (are your crews on commission ?), most of the revenue comes from the alcohol and not the soft drinks, and yet they do not want to be pushing the alcohol too much for fear of getting problems in the cabin with those who cannot hold it.