The solution is to send a message by avoiding those sites thus creating a disincentive for them to maintain the practices. But as you can see from the number of upvotes even very technically literate people will get over this just for an interesting title.

Techcrunch routinely ends up on the front page on HN, ironically many times for articles that condemn the very practices they engage in. No website will change their practices because of strong, informed opinions when the clicks still come in, especially from a distinguished community like HN that just validates Techcrunch's choices.

Well, GDPR and CCPA compliance cost something. That could be made simpler using this option.

Also, Ad Blockers are becoming quite prevalent again. Personally, I’ve started using one again for privacy reasons. If a publisher would actually respect my Do Not Track request, I’d happily leave their ads up. I have no problem with contextual advertising.

So that’s revenue left on the table.

It would not be easier. It has to be implemented in addition to the consent form.

I have a website. If I wanted to support DNT, I'd have to take an hour or two to figure it out. To be honest, it wasn't even on my radar.