I wanted to buy something second-hand. Unfortunately, Facebook Marketplace is the shit where I live. So I thought I could quickly register, contact the seller, and delete my account afterwards.
However, I refuse to participate in this insanity. Video selfie my ass, Facebook.
I wouldn’t be surprised if they use it for creation in some cases, depending on locale, or if you seem “suspicious” to their metrics in some way, e.g. registering while on a VPN