Rather often, as in 43 images in a ratio of 43:27 rejection:approval rating of images, often I understand the quality is lacking or some artificats exist. I get that.
However, sometimes I do not get it at all.

I edit most of my images as I shoot in raw, but I still try to make it look natrual.
Some images that is accepted has arguably worse quality, than some images that gets rejected.
For example;

But, not to dwell. I understand that some images has to heavy vignette or is a bit too much edited or saturated for stock. But this these ones I do not understand at all what was the quality issue here.

Does anyone have any clue? So I can improve and learn what it would possibly be.
(Images has been attached as files).

Sincerely /Alex