1 and 7 I think match the body shape of the character which is interesting, you could go the complete opposite way as well if you wanted.
If you wanted to make a statement about the difference with packaging verse the content or, to match your OV statement, how a Karen sees/thinks of themselves verses how the poor worker having to deal with the wrath of a pointless complaint does.
They also hold a strong silhouette when you shrink the designs right down as they still stand out.