A classic tale from the music production world comes to mind:

"I thought using loops was cheating, so I programmed my own using samples. I then thought using samples was cheating, so I recorded real drums. I then thought that programming it was cheating, so I learned to play drums for real. I then thought using bought drums was cheating, so I learned to make my own. I then thought using premade skins was cheating, so I killed a goat and skinned it. I then thought that that was cheating too, so I grew my own goat from a baby goat. I also think that is cheating, but I’m not sure where to go from here. I haven’t made any music lately, what with the goat farming and all."

That's like saying you aren't building a house if you use a hammer to drive nails instead of your hand. AI is just a tool like any other, and you use it to build things like you would any other tool.

I know now we all are somehow like 'product manager' when using agent/chatbot, and we just need to setup requirements and point out issues. But in game area, I am not so sure models/agent are capable enough, especially involves heavy graphic related development and human interaction things? Since from my personal experience, even codex and claude code not so stable and efficient when dealing visualisation things like figures, videos and even much easier one - web-browser.

"A game" is a different abstraction layer from "a piece of software", though. A game has designed mechanics, a scenario (level design, etc.), art/music assets, writing, and so on. I would say that if you're making all of those things yourself, but you're having an AI write the software that executes the game, then you're still "building a game" per se. "Developing a game" even.

Compare/contrast: people who develop games on top of high-level genre-specific game engines like RPG Maker are still considered to be "building a game." What's the difference between using a pre-made purpose-fit engine like RPG Maker, vs. asking an AI (or, for that matter, a contracted software company) to build you a custom purpose-fit engine?

This is such a horrible cringe and bad faith take.

Eating food doesn't count if you didn't grow it yourself.

Same idea that sends people down needless game engine development / procrastination rabbit holes.