Elon Musk used the "Banana for scale" sticker on the Starship to compare the Starship to a giant in a very humorous way (banana), while paying tribute to the classic Internet Meme to create a topic for the Starship.

Elon Musk, a super Internet celebrity, is always trying to gain attention, and the Banana super Meme is his tool to gain attention. At that time, the world's attention will be focused on this Starship banana.