Or someo
That was my impression too. Real photo with fake sign added.
Could be, hard to tell. Of course it's easy to make *real* foto's look fake (sometimes to make them prettier); jank up certain colours, sharpen objects, extra highlights, get perfect blackness, extra graininess, increase contrast, extra vibrant colours, fake extra exposure etc...
There really is no need to fake those black outfits; there's plenty of women who wear them.
There really is no need to fake idiotic texts ('slay those who insult Islam' etc.); there's plenty of true believers who will carry those around too.