The takeaway
Despite greater representation for female characters and more progressive gender roles, a greater percent of ad spend goes behind ads containing traditional gender roles and male characters. Marketers aspiring to create and promote diverse advertising should be measuring how their media budget is allocated by group, not just by creative.
The implications of not doing this are significant. Good intentions started in the studio aren't reflected in the ads your audience ultimately sees. More ad spend typically means more reach. Despite more progressive gender roles in ads, people see more traditional gender roles. In other words, all that...