No matter what your argument is, if Bird helped the Celtics to a winning record, to the Celtics being helpless without him, to MJ not beating him, he didn't make that big of a legacy compared to MJ.
MJ is the greatest player of the 1990s. I won't dispute that. He destroyed every superstar in that era in the playoffs. In the 80s, he was the one getting destroyed year after year. You can't call someone the GOAT when he and his team get destroyed for 7 years. He was lucky that Larry had a bad back. Otherwise, he won't get in the NBA Finals in the 90s. He won 6 titles in an era with no Bird or Jabbar/Magic. Like I said, for me, he is the greatest player in the 1990s. That is indisputable. But him being the greatest of all time? That's quite a stretch.
MJ changed the way the game is supposed to play, he changed the way the defensive sets are prepared hell, he even changed the way the game is viewed.
If he, indeed, changed the game, why was his team always beaten in the first seven years by the Cs or the Bad Boys?