Subtext: "Yes, a young white male, just like Constant Reader probably is. Yes, that's right. You. What happened to him could have happened to you. This wasn't racism, or sexism, or any other form of institutional oppression. Be afraid."
It worked on me, I have to say.
"That's right. You." ?!
This is such a saddening comment.
How so? Someone asked about the dog whistle, and I translated it. Opinions expressed do not necessarily reflect those of the poster, etc. etc.
I see. The dog whistle hadn't registered with me until I read your comment, so I probably attributed some of my distaste of it to you. Sorry.
The similarities to Aaron Swartz were being noted.
I think it was done more as a literary flourish than anything else.