Yes, you are correct on that ... my mistake.
But my other point is that I did have this before switching from Connecting Data to Non-Connecting Data:
(a blurry crop of an earlier post... since I can't get back to this anymore
To this after switching back to Connected Data Points.. And even after setting up a new chart, new Vpins, on same project and staying with Connected Data point:
I would probably have to create a whole new project to duplicate the process again... but I think I have already shown that there is something to what @Cejfi is describing about the shadowing issue at least.