Unpopular opinion: No, it shouldn’t. That would be unethical. Aggregating cohorts of data to determine what you might or might not like to buy, and vigorously safeguarding that data since you know it will cost your business billions in market cap if it is exposed is far more reasonable. Yours is just a passive aggressive way to “ruin Facebook”.
If you want to ruin Facebook, push for legislation. Do it the right way.
Gosh, you mean big corporations will be forced to compete on the basis of the quality of their products – instead of their ability to aggregate, destroy, and exploit the privacy of their users?
If you want to ruin Facebook, push for legislation. Do it the right way.