So we now have two models that are more pessimistic than 538 and I think the pessimists are a bit more correct.
Still, Biden is in a better place than Trump was in 2016 and there are some reasons for optimism.
I hadn't noticed that NV and AZ are pretty close and I think in AZ there are good reasons to believe he'll gain ground.
GA I think you still need polls to tighten, otherwise you're relying on a freakish big error.
Right, but those states are reasonably tightly correlated and at the moment he's behind in PA even in 538.
You need Biden to develop 1-2 more "out cards".
I will say that I think one of the weaknesses in Silver's modeling is that it weights tail outcomes (Biden winning MI/NV/WI but losing VA or MN, etc) as too likely.
The counter argument is that no one tail outcome is likely, but unlike House races we just don't see tail outcomes in the presidential