It would help the Restaurant to sell crappy food... Since there wouldn't be any bad reviews. Today they have to pay people to write good reviews -> https://splinternews.com/i-created-a-fake-business-and-bought-it-an-amazing-onli-1793850918 It's has been in place before just in a different way. Now they could use tech to do it for em... The Coin/Token frenzy hasn't even started yet, imo.