Both can be true at the same time, no?
It's obvious that Democrats had no chance of winning. This is evidenced by every Democracy in the world seeing incumbent governments lose their elections. Voters across the world were angry at inflation and that was reflected in the voting booth.
I do think you're right in that Democrats do need to do soul searching, which I thought I implied in my post. States like New Jersey, cities like New York, or other places don't swing MASSIVELY to the right without something deeper going on beyond inflation. This did not effect the outcome of the election, but I do think that you are correct: democrats and their supporters need to reflect on the policies that led to the hemorrhage of votes across all demographics.
I think
@Archy1221 is correct by saying some of this unpopularity has to do with national unpopular policies like Student Loan Forgiveness, but I think it's probably more localized. San Francisco swung massively to the right because the Progressive DA did not prosecute crime effectively, causing her to lose the election there. New York City swung massively to the right in part because jumping turnstiles into the subway and not paying a fare led to massive funding shortfalls in the mass transit department. There are probably dozens of localized, unpopular left-wing policies that caused cities across the country to swing to the right. Democrats need to rapidly figure what they are and pivot.