Not the OP you asked, but realisticly, your single best option is not giving any data. Use settings to prevent cross-site tracking in your browser where available, but really just post as little information as possible. The less you reveal, the less they will know.
Hi! We joined on the same day for the same reason :D
Edit: Nevermind, the little number next to my account name says I’m wrong. Apparently I have trouble reading a calendar.