Big difference, between God taking vengeance, and His followers doing so on their own. (“ ‘Vengeance is mine,’ saith the Lord”)
You could just as well ask: “Do you mean that, in Judaism, Yahweh / Jehovah doesn't have enemies who deserve being killed if they are threatening the existence of his believers?”
I mean, Yahweh had quite a few enemies — and killed them — to protect His people.
How did Yahweh treat His people? Note what Moses stated that others would say, @ Deuteronomy 4:6-8.
But regarding Jesus, please read 2 Thessalonians 1:6-8. In part, it states “the revelation of the Lord Jesus from heaven with his powerful angels in a flaming fire, as he brings vengeance on those who do not know God and those who do not obey the good news about our Lord Jesus.”
-NWT, revised edition
Thank you for raising this point.
You are totally right in all what you said since you didn't include Jesus message.
The main role of all Jewish prophets before Jesus was simply of John The Baptist, as Jesus point it out clearly:
"Verily I say unto you, Among them that are born of women there hath not risen a greater than John the Baptist: notwithstanding he that is least in the kingdom of heaven is greater than he."
Therefore, the main goal of what is known as Jewish teachings was to gather certain families in a well defined group and help them know how to be healthy and unified against any offensive intruders. Naturally, God knew in advance that this was a prerequisite for the arrival of Jesus among them. In other words, Judaism is supposed to focus solely on what the human flesh needs (perhaps this explains why a good faithful Jew is usually seen as being very materialist), including its right of self-defense.
Then Jesus came... and brought me with Him all the knowledge I have needed to hear about my deep nature (which is much more important than my mortal living flesh) and the 'real' world in which I have to live temporarily (the world as it runs in reality, far from the great speeches, made around the world, of 'Freedom', 'Democracy' and 'Peace', for a few).
Now, I wish I know from you if there is a Gospel today (unlike mine) in which Jesus, in person, advises his disciple to hurt, if not kill, another person in certain situations/conditions.
Thank you.
By the way, I guess you know now why I didn't present myself as Christian.
In God's plan, the today's formal Christianity had to be made, in many respects, much like Judaism and Islam (besides various Pagan's rituals) since most humans are created to
have a human living flesh only to take care of and let it serve the material world, in building it and/or destroying it, before it dies.