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just delete them from their cognitive framework

Yep, so true; however, the ad industry is booming, so they must be effective enough to the degree that it's keeping Facebook alive and thriving.

In a perfect world, people could select the type of ads in their view. Perhaps they will be geared according to topics: i.e. Gardening would have ads related to garden supplies/stores.

Geez, I can't believe I'm accepting my perception of 'reality' without pushback (lol).

Peace.