and it certainly wouldn't apply to a modern society that's been undergoing enormous changes for the last few hundred years

See, there is absolutely a debate that could be had about this. Have technological advancement, scientific advancements, etc rendered systems that had worked in the past as something that might not work now? Its certainly something worth discussing; we shouldn't assume the answer is no.

But,

Trad larping isn't how humanity operated for entirety of human history

This is probably where you lose the vast majority of readers. I guarantee this statement has much more to do with whatever very limited-in-scope definition you are attributing to the term "trad larping" than it has to do with the notion that humans didn't exist within more traditional frameworks throughout most of history.

and it certainly wouldn't apply to a modern society that's been undergoing enormous changes for the last few hundred years

See, there is absolutely a debate that could be had about this. Have technological advancement, scientific advancements, etc rendered systems that had worked in the past as something that might not work now? Its certainly something worth discussing; we shouldn't assume the answe is yes.

But,

Trad larping isn't how humanity operated for entirety of human history

This is probably where you lose the vast majority of readers. I guarantee this statement has much more to do with whatever very limited-in-scope definition you are attributing to the term "trad larping" than it has to do with the notion that humans didn't exist within more traditional frameworks throughout most of history.