Why do you think Netflix changed who their main guy was?

Miguel used to be the main guy, S1 he won the all valley because hawk injured robbie, in S2 Miguel beat robbie in the school, S3 he fought back from a broken back and then beat robbie in the grudge match to finally settle the beef. 3-0 against Miguel. But in thesst sieason robbie beat him to be the captain. And in the tournament robbie is emotionally damaged and Miguel is carrying the team, Miguel leaves because his mom is possibly dying, he returns and smscks sense into robbie and robbie enters ultra instinct mode and is clearly levels above Miguel just scaling off the Korean kid I forgot the name off. Miguel was losing to the Korean while robbie just out schooled him like he was goku using ultra instinct

Is there any known reason why the show switched from Miguel to robbie as the main guy.

Maybe Netflix sees Tanner Buchanan in future Netflix shows and movies and wants to promote him more?

Theast sesson took me by surprise