>Go to private party on private property of a friend

>Someone who also attended takes picture of party and posts in on instagram

>Instagram harvests your face from said picture

No public places involved in that scenario.

This is most definitely not true where I live. You’re definitely not allowed to put someone’s picture online without their consent, and absolutely not allowed to build a database out of that based on facial recognition.

You cannot record and post publicly someone without their consent where I live.

Seems you think people should stay indoors, or in the forest