Much has been said about the type of yacht to be used. I believe a monohull would be far more exciting to watch because of the potential for good TV.

The use of bowsprits vs spinnaker poles: if a less experienced crew mishandles a gennaker on a bowsprit, the worst that can happen is a blown gennaker or MAYBE a broken sprit. If it is run with a pole however the potential for carnage (snapped poles, ripped sails, broaching etc) is far more likely and makes for far better viewing than a tri or cat unfurling a flat gennaker round the top mark. This applies to monohulls especially because the latest move is to remove poles and just use prods. This is boring.

Grinders: Boats must have grinding pedestals. Sailing must show the effort going into making these boats go fast. The X40s had hand grinders, which really isn't that fun and doesn't show to the non-sailor viewer that these boats aren't sailed by magic or motor power.

Perception: During the 33rd AC, the multis racing simply looked like they were going 10kts instead of 22. Viewers could not gain perspective of the speed of these boats because it looked too easy. Make the boats plough through and surf waves, in high winds and really show what these boats do, the loads and forces involved. Mic the boats, hear the creaking and screaming of the hulls and gear. Put cameras up the mast, show the bend etc.

Reduce the max sail numbers per team: make the teams build stronger sails, maybe even with reefing points. That way they can sail in high winds and also use the sails longer, maybe blow them out. Don't kneecap the teams with poor quality sails, but make sure they can't throw money at sailmakers.

Carnage makes for good viewing and highlights the teams with the best teamwork and shorecrew work.