The technique they use does not really change to the issue.

It’s also not necessarily more secure than third party cookies like you claim? You can refuse those cookies and not all website use them, while all website ends up in browsing history.

Also, LLMs are trained on SO data. It remains a staple for coding, LLMs just reinforced that.

It kind of feels somewhat analogous to reddit, scientists provide articles (data), reviews (moderation), and the journals tax access to the result of all that while providing very little value to the whole process and trying to maximize value.