I work as a professional photographer AND as a professional videographer. I have worked with other photographers and other videographers on a shoot. There is more than enough space at a wedding for everyone to get the good angles if you have a shooting plan and discuss it before the event. Decide who will be where at which moment and stick to the plan.

What photographers don't get is that for video you need to maintain good framing and smooth movements the whole time you are recording. It is therefore much more difficult to move around. When I shoot photography it is the simplest thing in the world to move and shoot. I can crouch under the video camera or shoot around it without having to worry about my movement affecting the shot. We can EASILY stand next to each other in the aisle to get the ring shots etc.

ultimately, the client doesn't care about the technical difficulties. She has hired 2 people to do a job for her. No vendor is more important than another. We are all equally responsible for providing the best possible product to the person that hired us. This means you need to have the inter-personal skills to negotiate the shooting plan so EVERYBODY wins and the client gets what they paid for. You catch more flies with honey than you do with vinegar... and do you really think a bride is going to enjoy working with a pompous ass who thinks he is running the show? Do you think the bridesmaids will hire that guy for their wedding? Do you think the other vendors will recommend them to future clients?