If this was the case then Russia would also admit they did it. It's weird to not hide your IP, but still deny the hack on political level.
So they hack their enemy, and then use that to reinforce the false narratives they tell their own people. It's gaslighting at the national level. Russia is as if your emotionally abusive partner was your government. America is becoming the same.
Everyone knew it was Russia. They were still like "I don't know what you're talking about".
It's all power games.