I saw no context clues suggesting that you meant "in everyday conversation." Did I miss these?

My language throughout was highly generalized. Consider my opening statement: "I am troubled by the vehemence by which people seem to reject the notion of using the language of the second-order simulacrum -- especially in communities that should be intimately aware of the concept that the map is not the territory."

And then also consider the fact that I used the term "discourse".

I didn't mean "everyday communication" specifically -- it simply is the venue where such a heuristic is most overtly valuable and noticeable. I did not qualify my generalizations because there were no qualifications to make: I was meaning the general sense.

You could have said that your generalizations apply best to situations where the added cost of qualifiers carries a higher burden.

Quite frankly, I did. That would be a modifying element to the "threshold of significance". (I.e.; "Is the cost of adding item X to this conversation greater than the value item X provides to the depth or breadth of information I am attempting to convey? If yes, do not add it. If no, do.") Because I was discussing so highly generalized a principle / heuristic, the fact that situations where added cost of qualifiers cost a higher burden is simply an inexorable conclusion from the assertion.