Earlier quoted context omitted.
When you pay with your money,i.e. subscribe : you enable them to get more information out of you. Tracking becomes almost perfect : no matter how many browsers you change, operating systems, keep deleting cookies, give random data to finger printing : they can track you with your subscriber ID. So paying is a double whammy.
This assumes all tracking is equal. I don't care if they track what I read and engage with on their site, that's how they learn to make it better. That's sort of like complaining that a store owner pays attention to what items you look at in the store. Of course they do that. What we don't want is them following us around when we're out of the store to see what else we like at other places. The simplest way for WaPo…
Container tabs help protect from cross site tracking : whether or not you subscribe. So that is irrelevant here.