I would expect that the emotion of disgust is much more powerful in advertising, but hard to use to make positive emotions. Could disgust be used to counteract

I would expect that the emotion of disgust is much more powerful in advertising, but hard to use to make positive emotions. Could disgust be used to counteract the brainwashing effects of advertising? How many 'normal' impressions of McDonalds ads would be negated from a single viewing of an image of a person projectile vomiting with McDonalds branding next to it? Could buying 1% marketshare counteract the effects of the other 99% of the market?