各位资深AO，为啥这么强的小中被mit拒了

GPA 4.5，wrote a paper in algebraic number theory by myself and 3 other high schoolers (which I made Siemens semis with), AIME qualifier almost made USAMO (score off by 1), won 1st Berkeley math tournament discrete math, won 4th in Stanford math tournament freshman year, made USACO platinum, made USAPHO semis, worked on high school's collegiate-level submarine robotics competition team (Robosub), did marching band for all four years (won 3rd in state competition) (played in Carnegie hall with my wind ensemble), all-state band, volunteering at a food kitchen, won 4th at a national civics tournament, started a physics club at my school, volunteered at a math circle in my middle school, went to hackathons, helped organize a middle school geometry competition, taught peers/won a team coding competition as vp of my coding club

这比很多mit招的学生背景都强，各位AO把把脉，为啥被拒。