Well, voters are not completely blameless. Democrats need to get their act together and build a compelling, non geriatric candidate who moves at least a bit further left of contemporary democrats. I understand it's massively challenging to run a presidential candidate that is "too progressive", but there's room to move, and voters crave it.

The problem is they aren't demonstrating it enough.

Magats are rabidly gobbling up every low and unheard of post, elected or not, frequently and loudly demonstrating their wishes. These are data points planners use to shape larger candidates.

Tldr: wake the fuck up democrats.