Mercedes Team Principal Toto Wolff owned the team's responsibility for Kimi Antonelli's poor start during the Miami Sprint Race. The botched launch stemmed from a mechanical or strategic error on the pit wall, not the rookie's reaction time. Antonelli's subsequent track limit violation late in the race fell squarely on his shoulders, however. Wolff's candid assessment signals Mercedes holding itself accountable for half the damage while demanding better racecraft from its young driver. Antonelli will chase redemption in the full Grand Prix, where consistent execution matters more than single-lap mistakes. The 18-year-old's development trajectory depends on learning when to fight back and when to manage risk. Mercedes paired clear feedback with realistic expectations. Getting the fundamentals right—starts and track awareness—separates prospects from podium finishers.