The consequences are clear to US but we know what to care about, there are teenagers on Facebook, Instagram, anbd Google services. Do you really think they understood the implications of lifelong digital surveillance? Not to mention the thousands of smaller tracking and advertising companies that bottom-feed in the background without so much as a peep. Your behavior lives in the databases of companies you've never heard of before, and they sell it for pennies such is their value of your privacy.
You probably consented to Facebook having access to your photographs in order to do the business you expected them to do with it, such as show it to others in your friends group. Did you anticipate them using your face in advertisements? Did you expect them to run ML algorithms on them in order to suck out advertising interests, did you anticipate the use of your data to form cohorts that allow you to be advertised at by companies you've never heard of?
Depending on when you signed up, you couldn't have, because half of these things didn't even exist when many of us gave them consent. Now think of the billions of users these companies have that don't even know what the word cohort means, and your position is essentially that well they don't know they should be mad, so it's fine to exploit them.