It's because advertisers have armies of psychologists and mountains of data they can use to pull your ear and put it right up against a loudspeaker telling you

It's because advertisers have armies of psychologists and mountains of data they can use to pull your ear and put it right up against a loudspeaker telling you to purchase stupid stuff. It's an arms race, and we measly individual consumers with real life concerns that don't center around defending our psyche from nonstop sensory ambush stand a very poor chance.