Of course we do. but it's not happening. Not yet anyways. Or not at scale. It's like the joke with the bear. I don't need to outrun the bear, I only need to outrun you.
But I didn't post this to gloat, just to point out that spammers are lazy. Of course if everyone moves their email into the profile then this will change, but even if everyone reading this thread does it, most others won't, so I trust that this will still work for some time.
It is happening, within the last two months, by multiple recruiting startup services scraping/monitoring HN, and matching that up somehow with email addresses, in an automated way.
But I didn't post this to gloat, just to point out that spammers are lazy. Of course if everyone moves their email into the profile then this will change, but even if everyone reading this thread does it, most others won't, so I trust that this will still work for some time.