I have been going to SB every year for years and can honestly say I have never seen such behaviour in that time. If you noticed most of the antics were centred around the bar reps trying to outdo one another. The party crew stick to their own bars/clubs where they can rip the youngsters off with diluted drinks etc,
I too have complained to the BBC and Channel 4 regarding their programmes but they all have deaf ears.
Friends of ours were out in the resort when filming was taking place and free drink was being offered to take part and act outrageously. In fact the hotel owner where the film crew stayed said their behaviour was even worse than that shown in the programme.
What you saw was not the real holiday experience of Sunny Beach and I for one will be back this summer.
By the way British visitors only amount to 5% of the holiday makers and most of those are families.