Advertisements do not typically contain factual claims upon which critical thinking may be exercised.

Indeed, but they use codes and techniques which are recognisable and analysable.
eurogreen:

Critical thinking, and media analysis, need to be part of the core school curriculum

Pavlovian reflexes can be overcome through higher thought. This is one thing which distinguishes humans from dogs (of course, it doesn't prevent humans from behaving like dogs on occasion). Children need to have access to the tools which enable them to choose to defend themselves against mind control, if they wish to. This goes way beyond advertising, of course.

_{It is rightly acknowledged that people of faith have no monopoly of virtue - Queen Elizabeth II}