[yjftsjthsd-h]

In theory it's possible for it to be perfectly ethical. In practice this happens so rarely that it's not worth discussing.

[rmbyrro]

It looks like a worthwhile discussion about which you have not yet been able to prepare a reasonably well thought argument to present.

[yjftsjthsd-h]

Because I'm not arguing in that discussion: I would support ads that inform without manipulating. But since they statistically don't exist, pointing to them in an argument about real ads is just a motte-and-bailey.