Rose hasn’t played up to his standard since returning, but in the past he’s been otherworldly. You don’t replace a player like that with a pedestrian player like Bertrand.
As far as Aurier, you’re off your rocker. Out of those 4 players one has been head and shoulders above the rest by any objective measure, and that’s Aurier. In his first season in England, and his first season under Poch. He’s also the youngest of the crop.
Mate, don’t give up your day job. Running a football club ain’t on the cards for you.