Yep, plus works in the dark, works when you're not able to look at the phone, generally works faster than facial unlock.

"plus works in the dark"

the iphone has no problems in the dark

Fingerprint also works with a mask on. Think cold places and big polluted cities. Almost everyone wears a mask in Shanghai if they can.

Face unlock works with gloves on, think winter :) Oh, and it works when your hands a slightly wet, or when they are very dry.

Some of the higher quality face unlock uses a dot matrix of IR projected onto the face. Should be visible in dark. Might be hard in areas that are bright in the IR spectrum though.

That is arguable. Stop saying that as if it's an objective fact.

My fingers are already on the phone when I'm unlocking it.