> By "argue" they almost mean "troll". Meaningful debate, from all the examples I've seen, does not appear to be a skill of this new lifeform.

That's good enough to use for disinformation and other kinds of control. The propaganda tactic that actually seems to work is not to convince your opponents of anything, but rather to exhaust, fragment, and confuse them.

Yeah... is discussion helpful to anyone if it isn't coming from a human? hmmm

Give it 20 years :)

So we are just an inch closer to this: https://xkcd.com/810/