For what it’s worth, if I hold my hand up, the thumb and little finger spread out naturally. You have to make a conscious effort to pull them together. It could just be that.
I don’t have a right hand pinky, so it’s not much of an issue for me
But now that you mention it, my left one goes out slightly , but not like what they’re doing
You ISIS plant...you!
Mine too. I never noticed that before.