Joab said unto the king— It is evident, that this action of David was thought a very wrong step, even by Joab himself, who remonstrated against it, as apprehensive of the bad consequences which might attend it: and therefore Joab counted not Levi and Benjamin, 1 Chronicles 21:6 because the king's word was abominable to him. Probably, we do not understand all the circumstances of this affair; but Joab's sense of it, who was no scrupulous man, shews that David's conduct in it was extremely imprudent, and might subject his people to very bad consequences.
Related Commentaries of 2 Samuel 24:3
2 Samuel 24:3
3 And Joab said unto the king, Now the LORD thy God add unto the people, how many soever they be, an hundredfold, and that the eyes of my lord the king may see it: but why doth my lord the king delight in this thing?