What about when the lack of cookies makes everything break and you cannot work around it because it's too much JS to reverse-engineer, and/or it's a copyright-felony in your country to develop workarounds?
"I'll use my l33t hacker skillz to avoid it on my own" is a losing strategy in the long run.
A similar thing happens with the proliferation of cameras and license-plate readers.
You can keep them enabled and clear at end of session. I'm not saying this makes you untrackable; that is a losing strategy due to all the non-cookie tracking, but also the cookie popup isn't helping there.
"I'll use my l33t hacker skillz to avoid it on my own" is a losing strategy in the long run.
A similar thing happens with the proliferation of cameras and license-plate readers.