So, Jerry Sloan applied the "Flexible Offense" core, wrapped it with the complex and diversified skin of the UCLA system, to ensure that this system in the NBA, where man-to-man is primary and star players' abilities play a decisive role, would not impose too much restriction on the players.
This was a brilliant move. In fact, many NBA coaches who successfully utilized systems later adopted this "simple core with a complex exterior" approach to ensure system compatibility in the NBA.
Of course, with a simple core, to create various modifications, you need daily practice and years of accumulation.
Karl Malone and Stockton, after years of coordination, had lost their greenness and become more mature.
Especially Malone, in his rookie season, he was a country boy who, with a free throw percentage below fifty percent, would stumble through the games and weep after them.