I think so, too. He was a former commie who made the journey to be on the Right, much like Whittaker Chambers and Malcolm Muggeridge did. What we know as neocons began in a somewhat similar place, but they ended up elsewhere, really not all that far from where they started as it turns out.
That’s why so many neoconservatives (in the contemporary sense) jumped ship when Trump became the GOP nominee in 2016. They were closer to Clinton-style Democrats than they were to Trump’s brand of nationalism.