Aside: is there a term to define the developers that use these kinds of cutesie graphics? Seems to be a real movement, I'm older, and I seem to have missed the memo. Where did that start and is there some history behind why?
Which doesn't strictly have anything to do with developers either other than the author being part of all three.
So if you don't understand these things best not to copy them because you could unintentionally be sending some pretty strong signals.
It's also somewhat in the style of the Manga Guides, which are fantastic and an entirely different way to make some of these things accessible.