art,
Is this what you're talking about?:
Dear lia41985,
NO lia, that is just what the 3D left shoulder rise appears to be in a face on picture.
As I KNOW you understand, while the shoulders, left arm and golf club are not ALL moving in the same 'swing plane' during the downswing, from a down the line view towards the target, they all tilt from the shoulders to the vicinity of the ball as best represented/depicted in "Five Lessons The Modern Fundamentals of Golf" as the 'Ben Hogan's back swing and downswing 'glass' planes.
Since you are so proficient with pictures and videos of golfers, maybe you could find and post some additional 'back towards the golfer' examples of the shoulders motion during the back swing until impact ?? Please see GeoffDicksons post and link to Rich Beems swing sequence pictures.
Finally, the pictures you did send depict a vertical (but hopefully, in shoulder plane) movement of the left shoulder and arm, CRUCIAL to realizing the potential club head velocity increase from 'parametric acceleration'. In contrast, many golfers left shoulders are already moving horizontally BEFORE impact, significantly affecting and reducing/eliminating this additional energy source.