AngryMob

So if that dev used AI to make various filler/background glyphs would it be okay? Because even scribbles take time to make, if an AI tool can do it quicker and its just background noise, is that okay?

Where is this imaginary line of acceptability? Its different for every person who enters these AI discussions. How about if the dev codes a tool that spits out procedural glyph assets, surely thats fine, but what is the real difference?

They do now. Its just that the older models are still prevalent for various reasons.