How does marketing work?

What is the value of putting advertisements in your face at an obnoxious level?

Do they get paid for every view on an advertisment? In the hopes that someone fell asleep with thier phone on an it just on repeat?

Havent we all trained ourselves to just look for the "x" or skip button, grugingly waiting for the add to finish?

Or when your tricked into watching an ad for an amount of time. That doesnt make you want the product. So theres got to be another reason for that.