Ads we see can already be increasingly targeted to a very narrow group of people, which is spun as "making the adds more relevant to you". Is it different when it's a slightly larger group size than one?
You don't see how there's an ethical difference, between that and a corporation advertising its products towards a general demographic?
If the latter, I'm with you.
But the reactions to this service is slight proof that an organisation evokes lesser negative reactions than an individual