True or false critical thinking is important for evaluating which parts of advertisements are true and can be believed.

Absolutely, totally, definitely, positively true.

Sad to say, advertising is an area where ... if there are not outright lies ...
words can nonetheless be used in ways that cause us to make up the
lies in our own minds.

Critical thinking is absolutely vital when dealing with advertising, to
avoid lying to ourselves ... with the guidance of the advertisers.