Of all of the more recent posts, your entry has been the most interesting, Paul Francis. No, the image is not one that particularly appeals to me either, but one cannot contest that a lot of work has gone into composition, perspective, lighting, values, colour anatomy and figure. Are you likely to get anything more specific about what exactly they found objectionable about your image, or is this the boilerplate rejection letter they send for anything they suspect has Poser roots?

Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2

Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand] 

Metaphor of Chooks