The argument is it's less creative and/or lazy to have an AI developed game than a traditional one.
Would you listen to AI generated music rather than from a real musician?
Would you read an AI generated book rather than one written by a real person?
I agree with you and I'm not surprised to see people shooting you down. I think the question (and this will likely sound snobbish) is "do you enjoy artlessly created derivative media" because that's what AI created content will be.
And, the answer will be that films with lots of explosions but little plot, pop songs that are written on a production line by producers and trashy novels all have found their place in the world.
But the worry with AI is that, everything is that. We've already seen how risk averse games publishers have become, as have film studios, and book publishers, etc. etc. AI could be viewed as the ultimate "risk reducer" : "Gemini describe a game that will appeal to as many people as possible and with an economic model that is as profitable as possible..."
[Fortnite Copying Intensifies]
I kinda wonder if short term you could say "Well if that happens, we'll just hire all the game producers, artists and coders again and make something original that'll take over the world - just like [insert title] did.
But I think there's a very real chance that certain skills could disappear - and if you look at any skill that has been abandoned you can see a very real chance that the knowledge disappears relatively quickly.
This is a pessimistic view, but I think if you look at other technologies that have been said to democratise production in various fields, you can see that it doesn't put power in the hands of individuals, it transfers it to a smaller and smaller group of people. Which is also a bad thing for artistic creations - it might be easier for independent ideas to be realised, but getting them in front of people gets harder and harder, partly because the publishing and marketing becomes the problem and partly because there is a tsunami of competing ideas and designs that are vying for attention.