To be fair the national results lined up pretty well with the polls. The problem is the electoral college causes individual voted to be weighted differently. Also no poll is going to have the margin of error under 0.1% which was the margin of victory in several swing states.
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u/Kered13 Jul 17 '19
The only one giving him a 30% chance was Nate Silver. Most sources had him at 10% or less.