What nosedive? Do you see a nosedive? I don't see a nosedive.
OK, so some guy in Salt Lake City had his iPad crash. And some iPhone 5 user in Tallahassee, Florida had to reload his iOS a couple of times.
When you put a billion devices out there, you are bound to have some placements go badly. And even if every device worked perfectly, you are still going to have a few attention-seeking cranks come out of the woodwork to tell us about their "bad experience."
Mercedes-Benz makes a pretty solid luxury vehicle but I bet there are some Mercedes owners who bitch and moan about this and that.
But getting back to the article, this Marco Arvent, "respected developer" and all, does not appear to have anything substantive to back up these very vague claims.