Clumsy. And breathtaking. This season is a unique journey. There were echoes from Join The Club, one of the best Sopranos episode, here.
I'm kind of sad by the fact that it brings, as you said, Lost metaphysics in the world of The Leftovers, I loved how it managed to stay ambiguous about the supernatural. The execution is so great, though, that I can't dislike it; I just wish that Kevin didn't die, he didn't need to be absolutely dead to live something like that.
Anyway, the show is probably ending with Season 2, so I don't care that much. I'm just excited.