From movies about the making of the Air Jordan sneaker to Tetris to Flamin' Hot Cheetos, corporate myths are big in cinema. One huge corporation, the Mattel toy company, wants to take over Hollywood like Marvel Studios with their characters. So, while Barbie might be a "cash-grab" made to sell toys, that's not all this movie can be. Unlike sneakers, snacks or games, toys are tools parents can give their children to help them become storytellers.
Source:https://www.cbr.com/barbie-mattel-toy-ip-cash-grab/