Yeah, pure perfection is giving them a bit too much credit. They played well and the games were overall good but Quantic really blew it on their own, more than once.
When Rattle picked Bane in game 2, I couldn't help but ask myself why he was on the battlefield for almost the entirety of that match. He was a complete detriment to the outcome of that match.
In game 4, there were just too many mistakes to mention from Quantic, and their overall lineup was just a mess. But Rattle also made some pretty questionable plays as well, like diving for the harpy kill.