People on the left who are not part of the machine of the Democratic Party - Ralph Nader, Noam Chomsky, many lesser known people in that orbit, have said all along that this whole Trump/Russia thing has been overblown.
The Democrats lost the 2016 election. Trump railed against NAFTA and TPP and campaigned around working class people in the Midwest and said the US was in too many wars abroad and steel workers needed help. Hillary took money from Wall Street, initially supported TPP, didn't visit the Midwest despite Michael Moore's entreaties - he was saying at the time which states she could lose, all of which she did.
Nader said, paraphrasing - "The Democrats had unappealing policies in 2000 and lost, and in 2016 and lost. They could be self-critical and see US workers did not support their policies, and change them to be more appealing to US workers. Or they could keep taking corporate PAC money and find a scapegoat. They chose that option. The scapegoat was me (Nader) in 2000. In 2016 it was Putin."
In a move to try to be less appealing to voters, the DCCC just passed a number of policies trying to prevent local Democratic parties from running primaries against incumbents. They want control to be held by incumbents and corporate PACs and party hacks - any body other than the local Democratic voters who do all the leg work and voting.