He has a wife and child now and in calling out the Kremlin he’d either be jailed by the Russian government or expelled by Russia and likely taken to the US for trial.
People are getting jailed under highly specious circumstances in Russia. It wouldn’t surprise me if I learned he was already under some sort of precautionary light house arrest.
"I'm not suspended from the ceiling above a barrel of acid by a rope that burns a little faster every time I tweet, you concern-trolling ghouls. I've just lost any confidence I had that sharing my thinking on this particular topic continues to be useful, because I called it wrong."
By "called it wrong", he means this, from February 11:
"So... if nobody shows up for the invasion Biden scheduled for tomorrow morning at 3AM, I'm not saying your journalistic credibility was instrumentalized as part of one of those disinformation campaigns you like to write about, but you should at least consider the possibility."