Red Bull’s unprecedented invincible run came to an end in emphatic fashion in Singapore, with Max Verstappen and Sergio Perez only able to salvage fifth and eighth following a shock double Q2 elimination. The reigning world champions had won the 15 races prior to Singapore but Ferrari’s Carlos Sainz claimed the first non-Red Bull victory of 2023, heading McLaren’s Lando Norris and Hamilton’s Mercedes.While Hamilton had no specific answer for Red Bull’s unexpected slump in Singapore, the seven-time world champion suspects they have long switched focus onto 2024.“I don’t really know why they’re off, pace-wise,” Hamilton said. “But I think it’s great…