I have gone back and reviewed the posts.
First, there was this:
Then this reply:
And I explained how it would occur. As best I can tell, @prabe agrees with me at least in broad terms. So I feel I have at least understood his point correctly!
If you want to assert that nothing in a setting can limit gameplay because it is inherent to the gameplay to be limited by the setting, knock yourself out! But I don't think that such metaphysical pondering is at all responsive to @prabe's much more practically-oriented point.
None of what you quoted has anything to do with my comment.
My comment is following a train you started with this:
I'm not talking about "playstyle" nor "playability". I'm talking about limits on game play.
Nor am I arguing against world building. Rather, I'm saying that one point of world building, in the context of RPGing, is to limit game play.