Hell, often we don't even achieve that.
Many, many products are 1.2x for one demographic and .8x for another.
Many, many products are 1.2x for one demographic and .8x for another.
This thread is doomed to failure because half of the people are imagining the perfect altruistic, benevolent, competent marketer, and the other half is imagining the scummy, scam artist, and the actual answer is the tautological "good marketing is good and bad marketing is bad."
Mongo and Neo4j come to mind as examples of this.