My guess is that because we’re constantly being told what to consume our minds work quite differently from what they would without advertising.
Our minds constantly have to resist intrusive advertising and psychological manipulation.
I stopped quoting because you made many good points. I imagine we could find some supporting material for this basic idea. It seems like a safe idea to say people adapt to the environment they are in, including our thinking patterns based on what we take in and feed our minds (books, media, streaming, conversation, etc).
I wouldn’t be eager for a new tax, but the creative problem solving and imagining new ways to do things is good.