It gave her two scrunchies. Even if we assume an artist might mistakenly think she had one on each side, the AI has them on the same side.
The second scrunchy melts into her neck and her tail forgets what shape it is when passing behind her back leg.
There are three completely different rendering styles across the scrunchies, bangs, and tail.
Between the background, Applejack per se, and the hat, we see lighting from 3 different directions. The cool-toned backlighting on her rump does not match the warm tone of the environment.
The hat is not only facing the wrong way, but blobby and shapeless in general.
There is substantial artifacting around Applejack’s bright edges.
The most visible branch on the tree on the right is a snotty tendril connecting two trees.
huh, didn’t notice any of this. still love the picture.