Connecting people to goods and services they may want or need in a targeted way that tries to make them more relevant seems positive if anything to me.
I don't really think so in the general case. Personally I've eaten a lot of food I found out about from ads and wouldn't have known I wanted otherwise, and I'm glad iit happened.
But if ads convince you to try 47 different restaurants and that otherwise you would have been perfectly happy to eat at home, then the ads did a disservice to society.
And you must remember that for every local food ad there are 300 ads for McDonalds or Walmart, and they are just as effective, altough likely for another demographic.
I would love to see ads that are only relevant to my life instead of penis pills.