I don't think you should call people 'dumb' unless you're willing to apply that to yourself. Advertisements are just a way to find out about something. Word-of-mouth, periodicals, and seeing someone else with something are ways to learn about new stuff, too, but neither beats out advertising in speed and distance.
There's no one who can research a topic/object/person they've never heard of or didn't even knew existed. How do you search-engine "Linux" if you've never heard of the word?
Clearly, as a person who doesn't know the meaning of "educational" and "ignorance" you shouldn't be holding people's hands for any reason.
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