I had a hard time understanding this article, but it was really due to translation issues, and my own lack of understanding about grammar. I had to read up on the English concept of active- versus passive-voice. For example: The cat ate the mouse. is active, because the cat is the subject of the sentence, and is doing the eating. The mouse was eaten by the cat is passive, because the mouse is the subject, but is "hav…
In Chinese in the most recent century, mistranslation of Western writings with passive voice constructions by the 被 construction (whether or not the Western passive constructions have an adversative meaning) tempts a lot of casual observers to suppose that today's Chinese uses 被 simply as a marker of passive voice. But I have many times tried out, as part of personal linguistic fieldwork, newly composed sentences that use 被 as a straight-up translation of normally grammatical sentences in English, and the Chinese sentences are regarded as ungrammatical unless the 被 construction can plausibly be construed as adversative.
(I just Googled for a good Web reference about this, but didn't find one quite to my satisfaction.)