Well spoken comrade, I could hardly agree more. Ever read Herbert Marcuse? (he had some interesting views on that subject.Well... A system that makes consumerism impossible would have to be a system without the need for consumerism. I believe that the only way to achieve such a society would be to remove the economic competition, which again could only be achieved by removing the free ownership right. Such a system could for instance be socialism.
However, some 'socialist' systems like the former DDR had the policy of 'informing' the people about new products, which only was advertising under a thin disguise.
None.