And by opting out manually using these methods, they've gone from lost-in-the-crowd to unique, including with a publicly findable name, since the whole writing-an-article on it.

Unless you tell the other side, "hey don't track me", they can (and will!) legally use your aversion to tracking as another data-point!

of course, spreading tracking-avoidance methods helps with this! (as long as we can all agree on which methods to use...)