If you cannot sell your product without relying on consumer weakness, without running experiments to test which behavioral failures you can take advantage of, maybe you should be selling another product.
If they cannot capture value by charging more for their product than the cost of making, delivering, and servicing it, then the business will ultimately lose its independence.
Suppliers and especially manufacturers have market power because they have information about a product or a service that the customer does not and cannot have, and does not need if he can trust the brand.