Yep.
He sees the stability in the polls. He sees that the fantasy impeachment surge of support that Republican imagined would appear wasn't real. He's trying wag-the-dog.
But it's really simple. He's not persuading anyone that he's something other than what he seems to be. A lying Narcissist with a moth-filled brain and utterly selfish and corrupt motivations. Or, as Republicans put it, God's chosen instrument.
Americans are better than this guy.