"Wow...That made me change my mind on Barbie."
That sentence, posted by a Facebook user in the comments section beneath a new Barbie doll commercial, probably set off celebratory bells in the advertising department of Mattel, the El Segundo toy maker that has long struggled to do right by modern-day feminists.
Barbie has been walloped by declining sales and steady criticism, particularly for the body-image distortion that her tiny waist and big chest might ingrain in young girls.
Most of the time when Mattel has tried fighting back, the efforts have been bumbling.
In early 2014, for example, Mattel launched a campaign called #Unapologetic, which was meant...