Contradiction with Matthew 5:44
2 Kings 9:33 describes a violent act, while Matthew 5:44 advocates for love towards enemies and non-violence.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:19
2 Kings 9:33 involves taking vengeance into one's own hands, whereas Romans 12:19 advises leaving vengeance to God.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.
Contradiction with Exodus 20:13
The violent death in 2 Kings 9:33 contradicts the commandment "Thou shalt not kill" stated in Exodus 20:13.
Exodus 20:13: Thou shalt not kill.
Contradiction with Luke 6:27
2 Kings 9:33 recounts an act of retribution, while Luke 6:27 advises to love enemies and do good to those who hate you.
Luke 6:27: But I say unto you which hear, Love your enemies, do good to them which hate you,
Contradiction with Proverbs 24:17
The triumph over and violence against enemies in 2 Kings 9:33 is at odds with the advice in Proverbs 24:17 not to rejoice when your enemy falls.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Paradox #1
The moral conflict in this verse might arise from the act of violence being depicted as an acceptable or divinely sanctioned action. Some people could find it troubling that an act of throwing someone out of a window is used to achieve a perceived good or to fulfill a prophecy, which could be in tension with teachings about compassion and the value of human life.