If they know who you are on the platform they won’t stop knowing who you are off-platform. As a really basic example, browser cookies make cross-site tracking easy (there are other more effective methods of tracking like fingerprinting or behavioral analysis too).
Plus, the average user is logged into Chrome. They don’t even need to track you in that case — you gave your info to them!
$0.99 per month to read all the comments on a thread, slowly increase the cost year-over-year and eventually add a second (initially) $0.99 per month to read any comments at all (because you should only read posts and only the ones we want you to see).