I do similar, without the callout. Sometimes I put the whole list in a comment (generally in a piece of writing where I want to exclude stuff like that from the word count). I don’t have a strong reason; it just feels simpler and is good enough for me. I don’t even use DataView. (Of course, all of my practices are subject to change. 
)
There are 2 features that I think are YAML-only: aliases and adding a CSS class.