Huzaifah says: “After the release of the train wreck that was Assassins Creed Unity, many fans, including myself, had begun to grown disillusioned with the Assassins Creed franchise. Here was a game that was poised be the first truly next-gen title in the series, and it was constantly hyped up as the next logical step in the evolution of the franchise.”
Source: N4G PC The Assassin's Creed Revamp Should Have Occurred Sooner