Mercedes’ run of three victories in four races before the summer break is starting to look like a false dawn. Following the season’s resumption, the Silver Arrows have fallen away from the victory fight. They collected only 10 points at the Dutch Grand Prix, with George Russell seventh and Lewis Hamilton eighth following a Q2 exit. Monza only yielded 16 (Hamilton P5, Russell P7), then they picked up 17 in Baku (Russell P3, Hamilton P9). That would suggest they’re on an upward trajectory, but they were fortunate at the end of the Azerbaijan GP as Sergio Perez and Carlos Sainz crashed out. That …