The IDFA on iOS is a random device identifier and not tied to your identity. It would allow an advertiser to correlate that it’s the same device that has instal

The IDFA on iOS is a random device identifier and not tied to your identity. It would allow an advertiser to correlate that it’s the same device that has installed several apps, nothing more. It also resets in certain situations. Facebook on the other hand, creates a grand central repository of everything there is to know about you and sells it to whoever wants to pay. Just like Google.