Earlier quoted context omitted.
And not a single one of these is tenable, even when combined. How do the people that post reviews, or spread something over word-of-mouth, discover the thing in the first place? Try your hand at starting a business and trying to sell goods or services using these methods and see how well it works.
Tenable for what, global business? Many local businesses do fine without advertising and/or using these methods. Making global business harder and forcing things more local actually sounds like a great benefit.
We could use less 1T companies and more a few billion or 100s of millions level companies too. I miss the "focused on Mac and iPod" era Apple.