I'd be happy to believe that Sweden has found a better way to deal with things, but at the moment they have 5x the number of deaths per population of California (2150/10.1 million vs. 1500/40.0 million). That's not great.
I also think there's unacknowledged element of luck in a lot of these outcomes. A few infected individuals a month or so back in the wrong time/place makes a huge difference in the progression of the disease. Likewise when testing is relatively sparse, it's easy to get a mistaken view on where things stand.