What you call help is not what I would call help - using a wealth of scientific literature to design information that when conveyed can optimally take advantage of statistically likely emotional or physiological triggers to exploit people into buying something they didn't already want is evil.
Marketing as a concept could make some sense in information scarce environments like the era before global instant communication between anyone anywhere to any number of people. Since then, absolutely nobody has asked the question "I don't know what to spend my money on, I sure wish a corporation would suggest something".
Cynicism is easy, but the truth is that there are useful, helpful things out there, and that making people aware of this is not intrinsically wrong.
Is this the "decentralized internet" product, or the initial Pied Piper product? SV the show is very accurate in some ways, but how did it take them until Season 2 to discover that average consumers don't give a crap about a hard-to-use, seemingly B2B-focused app that compresses their pictures?
Just as an illustration, if you watched the show Silicon Valley, this was one of their big challenges. We made something brilliant, but hardly anyone understands why it matters.