If I recall the story plot points correctly, you should probably have a Not Safe For Work tag on it. (content warnings: sexual assault, murder-suicide, torture)
But in reality it's just a common short-hand content warning, similar to [PDF] right before a URL that ends in .pdf.
> When AM had altered Benny, during the machine's utterly irrational, hysterical phase, it was not merely Benny's face the computer had made like a giant ape's. He was big in the privates; she loved that! She serviced us, as a matter of course, but she loved it from him. Oh Ellen, pedestal Ellen, pristine-pure Ellen; oh Ellen the clean! Scum filth.
But I'm sure you know all of that. The warning is not for you personally, you may disregard it.