Back in the 90s I hired a professional to make a promotional video of my event.
I instructed his assistant to interview people outside or in a separate room, I also explained that I did not want the big light on hardly at all, and he did keep that to an absolute minimum - They were good at what they did, and didn't really intrude on the night at all.
These were the days before You Tube / Everyone wanting to be famous, and although I was apprehensive about doing this for reasons you have all given above, I am glad I did, as all these years later it is something to look back on for some folk - Not least seeing friends sadly now lost enjoying life.
Everyone with a camera as it is nowadays is awful, whether it be taking photos or videoing, and something that really is a 'no no' on our scene. Although I do appreciate there are some photographers that respect how people feel, and try to be discrete when taking pics
Here it is -
Len