An advertisement ban is also an interesting idea from the theory of free markets perspective.

Consumer needs are met by the most efficient producers, products compete for consumers on the market. That makes a ton of sense. But ad spending inverts this relationship. Consumer needs are no longer an external condition for the market but become subject to producer intervention.

This creates a source of misalignment between incentives for producers and the public good.

I think outlawing ads would go a long way towards fixing capitalism.