Not to mention ads incite to consume more, attempt to creep inside your daily thoughts and lie about the qualities of the product using all the tricks in the books.
Add on top of this it gives more power to the big players with more money and create terrible incentive for the medias and you have one of the easiest moral decision in the world.
The whole industry lost me way back in the 90's when I saw the first popover/under ads for X10 cameras. No, the industry is entirely exploitative of technology with little to no real redeeming qualities and are so invasive, pervasive and dishonest that you generally can't even trust the top search results for product class reviews either.
Add on top of this it gives more power to the big players with more money and create terrible incentive for the medias and you have one of the easiest moral decision in the world.