This is an issue in FF14 as well. Doesn't matter how many times community leaders tell folks to let sprouts watch their cutscenes (there's a lot of important story stuff in there), there's always that one jackoff who insists on pulling the boss immediately.
Granted, FF14 has a lot more folks who will simply stand back and let those jackoffs get splattered by said boss, but there's still enough folks who don't learn the lesson for the dev team to flag some cutscenes as unskippable to stop it happening in major story dungeons.