I would say that it depends on the audience. Personally, a debate regarding ethics and moral dilemma is interesting. Read The Fat Man and the Impending Doom. It's just one paragraph so it's not going to bore audience.
https://thedailydilemma.wordpress.com/2007/06/18/fat-man/
I believe that this type is a lecture-forum discussion.
C. clear thesis, a short outline, and a strong conclution
Instead of writing it in ENGLISH you should have wrote it in the SPANISH ☺️☺️☺️
To express each and every things in better way regarding the diagram