Large scale invasion is not likely, but they could try some limited operation to test NATO's unity. Most likely location would be somewhere in the Baltics.
I think an actual invasion would initiate a very serious and deadly response, but their constant pranks will continue to go unpunished (unfortunately).
According to an acquaintance who knows him in real life, he lives in Australia but pretends to post from Moscow.
He has a massive chip on his shoulder about Russia and Putin. He complained about FSB and a Russian company trying to kill him back in the day (see wikileaks cables).
He has no reason to be unbiased.