They know. They can no longer plead that Trump did this on his own. They know that Russia is using Trump to destroy America. And they don't care.

H.R. McMaster Goes Off on Russia; Those Who Turned Blind Eye and Are Complicit

These days, this includes pretty much the entire pro-Trump GOP & their propaganda machine enablers

He’s got six days to go on his job. He’s not pulling any punches. The GOP Collaborators who have stood by as Russia has: taken over our government, destroyed our political system, hacked our infrastructure, attacked our allies, invaded friendly countries, destabilized democracies around the world used nerve gas …