Why do refs not call always obvious basket interferences like this Slapping the backboard hard makes layups way harder to convert.

Josh Richardson game winner vs Clippers

Dwight Howard stays with Coby White and spikes the layup into the ground

Kareem Abdul-Jabbar "breaks the NBA All-Star scoring record" with a "made 3-pointer" even though he actually missed the shot terribly, but the refs gave him credit for the make.