Larsson is a good player that sometimes makes mistakes.
He's not elite, probably never will be. But he's good enough to deserve big minutes and he's the kind of guy that helps the team win more often than not. He has off games, he makes mistakes. He has on games and makes good plays.
I think what needs to be realized is that he's never going to be an elite D man, but that doesn't mean he isn't a very good one. Sometimes he deserves criticism, like last night. Sometimes he deserves praise like the prior few nights. His play doesn't need to be blindly defended or criticized. Just call it like it is in that moment like you would with any other player and I think everyone would realize that, on the whole, he's a good D man.