I keep saying, stay away from Nate the Slimer and 538. They're garbage and don't know what the hell they're doing. If you would like I will break down how garbage their rating system is, but really all I have to point out for you to understand is that they give NYT/Sienna College their highest rating. The same pollster that had Biden +11 in Wisconsin, Biden +6 in PA, and Biden +6 in AZ.
They're a joke. Their methodology is a joke. The only reason the site exists and even sniffs of legitimacy is because Nate got internal polls from David Frum to run his 2008 model from, and that happened to be correct. He's not a pollster or a data analyzer. The people that were on his team, and the people that replaced him aren't pollsters either. They know next to nothing about psephology.
Also, these national polls are terrible, as to be expected. The real story is Harris only +5 in Minnesota, and the slew of bad polling for her coming out of other battlegrounds. Several congressional races are starting to flag in ME, OH, WI that don't bode well for her as well. Leaky camps also let in a few well-connected people on some top line numbers in PA. Trump's camp is internally showing it as +3 for him, Kamala's is worse for her, with a Trump +4.
Pretty sure that's why they're trying to pivot to NC. If their numbers are that bad in PA, then they have to shift to try to pick off an R state, and NC looks deceptively like the best target. Problem is it's home to mostly ancestral democrats, who are now republicans, who didn't bother to re-register. The state has also seen an influx of conservatives in the last 4 years through migration patterns. It was also horrifically under-counted in the census so her team will have a difficult time finding the edge there.