Its Because modern dems (the very online ones) have a cult-like devotion to their presidential candidate like maga does, to them their leader cant fail, they can only be failed.

so you have things like Kamala supporting unpopular policies like the war in gaza, harder border policy or bipartisanship, and to them the real problem its the minorities dems have constantly thrown under the bus like muslims or migrants for not showing undying loyalty to the democratic party