Advertising is an attack on human psychology. Children need to be educated to reason beyond the surface to protect themselves from the ubiquity of modern-day advertising.
TV commercials back in tha day didn't have any of that, although nowadays they can play ultrasonic sounds that apps on your phone listen for to facilitate analytic tracking.[0]
0: https://arstechnica.com/tech-policy/2015/11/beware-of-ads-th...
> manufacturing “3rd-party grass roots” support
...is effectively trying to achieve advertising goals outside advertising channels using deception - astroturfing, etc.