Secretly designed voting machines that rely on a for-profit, possibly partisan, likely only moderately competent company doing the right thing with respect to security on software that no one else can see or audit are fundamentally broken by design.

Yes, the fundamental issue is that 30% of America is far-right wing crazies.

Some portion of the blame has to go to the center-right wing party who for two generations has had a pack of excuses for never achieving any part of a progressive agenda and then eternally wonders why they get trounced in every midterm.