Around the world, there are really strong and emotionally charged transportation

Around the world, there are really strong and emotionally charged transportation safety messaging in public service announcement see for example several by searching on youtube: https://www.youtube.com/results?search_query=traff… to an external site.+
Do the PSAs contain all of the elements of successful risk communication? What do you think is the most effective approach?
attached below are module 6 notes incase you may need reference