> Publishers trying to make an honest buck will dislike this.

Publishers most likely won't know this is happening.

> Cafe customers that just want coffee and wifi and not your political convictions will dislike this.

It is up to the cafe owner whether they want to do this, or whether they want to put a political sign on their windows for that matter.

> The privacy conscious who now have their browsing data being sent off to an anonymous third party will dislike this.

All advertising networks sends browsing data to third parties. Whether it is this one or some other one doesn't seem that big a deal.