The Democratic Party overpaid consultants conclusion has been basically: The Republicans won by being republicans, so we need to use their platform to win, since that clearly wins
They are pretending to be stupid, but I just don't believe them, I think they are cynical sociopaths who believe in quite literally nothing
This failure to understand the utility of models, failing to understand that past performance does not predict future outcomes
Help? Yes
But all models are inherently flawed