Sadly those poorly behaved people will be poorly behaved whether in a car, a van, caravan or a campervan. As long as they remain the minority and the rest of us be decent people, all will be good.
As one of the newcomers to T6's and campervans I am approaching this the same way as I did caravanning, it's a great opportunity to expand our travel opportunities. I am not going to ruin that for us, or for anyone else enjoying their free time, by being a complete idiot.
I save those moments for the wife to review