> I have never used FaceBook [sic] login for anything
> Facebook doesn't even have my phone number, only my name and my business email address.
People, if any company has A-N-Y-thing that can be associated with you, online or offline, you have no privacy. None. It is gone forever.
There is billions of dollars at stake for companies to build as complete a picture as possible of you and every detail of your life. And billions more remains on the table. That is plenty motivation to fuel a highly-lucrative market for accurate, meaningful profiling for years.
Sure, there's a long list of actions you could take to begin minimizing your exposure, the practicality of each varying widely. But frankly, most of them would only serve to make going about daily life inconvenient. (And the correlation between effectiveness and convenience isn't 1:1...)
The best case scenario is your data becoming stale, such that its values diminishes to a degree that makes it effectively background noise.
There is simply no means of unembedding yourself. But also, more discouragingly, for most people there is no practical means to avoid being ingested.
edit: grammar