The idea feels like sci-fi because you’re so used to it, imagining ads gone feels like asking to outlaw gravity. But humanity had been free of current forms of advertising for 99.9% of its existence. Word-of-mouth and community networks worked just fine. First-party websites and online communities would now improve on that.
The traditional argument pro-advertising—that it provides consumers with necessary information—hasn’t been valid for decades.
I think the problem is that it just moves. You can never get rid of it completely. people will be paid to word of mouth. Like look at all the “influencer” content that is just commercials. Your going to make a law that they can’t say they are using a certain product in their makeup tutorial?