it's middle school social studies. that's when they start doing the confederate apologia and lying about American history and introducing that Liberal "nuance" we all love (the 'swerve')
https://redsails.org/the-swerve/
In fact, making children media have positive values that they then later subvert is probably on purpose. Every kid wants to grow up and seem mature, and they make sure to tie loving and positive messages about sharing and being pro-social to "baby" media so they can put that away as they mature. The swerve only works if there's a good baseline to subvert and swerve away from