Who really does hope something from the "DnT"
While the ruling against LinkedIn is a welcome development, I'm skeptical it will truly move the needle on respecting user privacy. Do Not Track has been around for years, yet sites continue ignoring it without consequence. This case may set a precedent, but it's one isolated judgment in Germany.
I've come to the same conclusion (blogged about it here https://www.srcbeat.com/2023/11/linkedin-do-not-track/) after updating myself on where it's all at.
I also think about pop-ups back in the 90s/00s. Imagine if browsers sent a "No-Popups" header (or something) back then. I doubt we would have seen any change in company behaviour. Instead, it took something like Firefox to implement pop-up blocking by default (https://lwn.net/Articles/130792/).