As far as I know, the way it looks down there is entirely genetic. With the exception of maybe popping out a child and having an episiotomy or some such. Like men with differing penis sizes, not all vaginas are made the same.

My thoughts are- literally no one's pussy looks like sandwiches with lunch meat in them. They look like a pussy, they grow and change with your body just like every single part of your body. All pussy is beautiful, regardless of what it looks like, so why the absolute fuck are you so concerned with comparing yours to anyone else's?

Edit: and the fact that apparently you and your partner's sex life is non-existent except to force new people to exist in this toxic sounding life of yours is really not the flex you think it is...

find it hard to believe that a newborn baby girl could have an overflowing-roast beef-looking vulva like that photo up there on the left.

Yes, newborn babies have not yet gone through puberty, where hormones cause quite a bit of growth and change in our reproductive organs, so you are correct that you should not expect such large labia on a newborn baby.