If I were King of the World

If I were King of the World and could change one thing (These are weird rules because a king obviously can change more than one thing, but I make the rules, so there.), I would

Ban Advertisement with the Exception of Word of Mouth.

Here are some benefits:

1. There is no more need to grab our data to serve us personalized ads.
2. There will be less ways to construct new needs to then sell us something.
3. Much less distraction in our environment, more safety.
4. Better products because it is harder to get customers to recommend your stuff than to place needs and desires in their heads, often subconsciously.
5. More local business, which will be better for the climate.
6. More privacy.

What do you think?