For people who want to solely blame one group or another for Dems loosing 2024, this is an excellent podcast with another theory: in a decentralized media environment, Dems haven't found a successful way to reach low-info voters. (And unfortunately, elections come down to low-info voters.)
https://youtu.be/rXhSiwAB-MM?si=Qe2wGzUF5pnSR2Vd
Seems like casually informing voters should be a goal.