That’s been my impression too. It’s borne out in a variant of the technique described in the OP that we’ve seen. In this case the spammer “replies” to a comment and uses the Discourse quote feature to copy some of the other person’s text into their message. Then they insert their link into the copied block, thus making it look like the other user did it. Not sure if this is supposed to spoof the system into thinking the link is from someone of a higher T level or what. Kinda stupid, really, but definitely seems like something that had to be done manually, not by a bot. In particular, they don’t just drop the URL into the quoted text either; they highlight some text and use the link tool, adding a further layer of disguise. We’ve seen a few of these over the last couple of months.