Eh. I give this art a pass. I don't automatically think that any character in a hijab is "forced diversity". If they wanted to make one so be it. I'll also be a bit optimistic and state that the art is honestly cute and harmless. Their have been plenty of humanizations of the MLP and these are miles better than what we usually see here. Hell, look at that Sans we just got a few pages earlier. It barely looks like a skeleton. At least here I know it's Fluttershy. Someone cared at least.
That being said the difference between SJW art isn't just "character in a hijab" or "character with slightly dark skin" no, no, no. You have to go above and beyond to be like that. Not just in how you present your art, but your behavior as well. If you don't have this standard every slight variation of artwork would be on this forum. I would honestly prefer more art like this MLP one because there is definitely potential.