>Because reading about content is self-selected disclosure of interest, the NYT already has all the information they need to target me — they know I read politics, and when I’m in that context.
This seems to me what "targeted advertising" should mean - NYT says "for all routes of nytimes.com/politics, show political ads. If it's local news, open it up to classifieds for local business." Etc.
If someone's on the page, is that not enough information?