My whole family will sit down and watch sail GP together, including Miss 11 and Mr 9. Miss 11 will go find the pre race previews / video blogg thingies and we consume all media that Sail GP can produce. She keeps track of where and when the next event is and we look forward to a race weekend, checking time zones for what time the coverage will be live, etc.
Unfortunately Sail GP is taking a break while the AC is on, so we tried watching some the other day.
The onwater graphics don't even tell you anything about the wind. Not which way it's going, nor its strength or speed. We watched