Commercial appeal is for pictures where the moderator thinks that the picture will not sell. It's a black and white picture and I do not see what it shows. I think the moderator is correct. A picture like this will not sell.
There is no need to imagine. Adobe tell you the reason for rejection. What did they say?
The Black &White picture is of...
Commercial appeal would be a good rejection reason...
The image is lacking contrast, too dark, and has a depth of field/focus issue. In addition, your image being black and white limits the market for it.