Did Picaso every paint in credits on his art to whoever owned the property he used as ref for a painting? For that matter, has ANYONE? Nope. And art is art wether done digital or old school.
You people need to get over the assumption everyone uses DA stock/resources.
I do NOT.
all backgrounds are my art/renders, all models are shot in my studio.
I OWN 100's of stock pacs witch I PAID for. I also OWN $1000's worth of 3D modeling sets and do my own renders using them.
Speaking of naming resources... any of you "stock providers" name the ones who MADE the 3D sets you just click a button to render (like Stonemason and AntFarm, etc) and call