I just think it's a futile kind of paranoia. Your anomalous behavior puts you on some list. Writing about it here puts you on some list. As every admin knows so well, spying on user data is much too easy for that not being done all over. We'd need to tear down large scale digital infrastructure to make even a dent into the problem of massive abuse potential. Deleting cookies is cope.

Depending on the context, platform, and data, de-anonymization is almost trivial to perform. Worse, someone can replicate your patterns and masquerade as you (thinking about that "lodestar" opinion where people were debating whether it was Pence or not).