If it doesn't look like the food you're about to purchase, yes? Why is this even a question in this context.
(Have also heard about people - not just scammers/spam operations - using generated pictures and descriptions for dating profiles and real estate ads, and I cannot understand what outcome they expect when someone follows up and immediately realizes what's up)
That's not a function of improvement in models, though, which was the question. You could literally do that today, no need to wait for models in "2-3 years".