Is this some use of the word troll I don't know or does TFS (and TFA) mean trawl?
This anecdote is frequently used to illustrate the perils of failing to do adequate preparation and research before introducing a product into the international marketplace. It's a wicked irony, then, that the people who use this example are engaging in the very thing they're decrying, because a little preparation and research would have informed them that it isn't true.
"Spock, did you see the looks on their faces?" "Yes, Captain, a sort of vacant contentment."