Is it possible to throw an object ball? Nope

[straightline]

Well one has to think why people miss on a straight-in shot while perfectly hitting the object ball.

That would be SIT and plain misaligned strokes.

 

[Frosty]

That would be SIT and plain misaligned strokes.

You and your acronym fixation

 

[Oikawa]

You and your acronym fixation

SIT = Spin-induced throw, which means the fact that the OB throws a bit to the side if the ball hitting it (CB in this case) is spinning sideways.