See the biggest problem is the Bible it encourages Christians to kill, those that do wrong and that are not believers, If they truly believe what the bible says its all there.
Yes yes some old testament but isn't Jesus god ?
and isn't god perfect and unchangeable, so old testament god has to be new testimment god or he changed , didn't he ?
Killing Non Believers
Luke 19:27 ESV / 75 helpful votes
But as for these enemies of mine, who did not want me to reign over them, bring them here and slaughter them before me.’”
Deuteronomy 17:1-20 ESV / 44 helpful votes
“You shall not sacrifice to the Lord your God an ox or a sheep in which is a blemish, any defect whatever, for that is an abomination to the Lord your God. “If there is found among you, within any of your towns that the Lord your God is giving you, a man or woman who does what is evil in the sight of the Lord your God, in transgressing his covenant, and has gone and served other gods and worshiped them, or the sun or the moon or any of the host of heaven, which I have forbidden, and it is told you and you hear of it, then you shall inquire diligently, and if it is true and certain that such an abomination has been done in Israel, then you shall bring out to your gates that man or woman who has done this evil thing, and you shall stone that man or woman to death with stones. ...
2 Chronicles 15:12-13 ESV / 36 helpful votes
And they entered into a covenant to seek the Lord, the God of their fathers, with all their heart and with all their soul, but that
whoever would not seek the Lord, the God of Israel, should be put to death, whether young or old, man or woman. Matthew 10:34 ESV / 32 helpful votes
“
Do not think that I have come to bring peace to the earth. I have not come to bring peace, but a sword.
2 Chronicles 15:13 ESV / 32 helpful votes
But that whoever would not seek the Lord, the God of Israel, should be put to death, whether young or old, man or woman.
Leviticus 20:27 ESV / 31 helpful votes
“A man or a woman who is a medium or a necromancer shall surely be put to death. They shall be stoned with stones; their blood shall be upon them.”
John 3:16 ESV / 29 helpful votes
“For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.
Exodus 22:19 ESV / 28 helpful votes
“Whoever lies with an animal shall be put to death.
Deuteronomy 17:2 ESV / 26 helpful votes
“If there is found among you, within any of your towns that the Lord your God is giving you, a man or woman who does what is evil in the sight of the Lord your God, in transgressing his covenant,
Revelation 21:8 ESV / 25 helpful votes
But as for the cowardly, the faithless, the detestable, as for murderers, the sexually immoral, sorcerers, idolaters, and all liars, their portion will be in the lake that burns with fire and sulfur, which is the second death.”
Psalm 49:10 ESV / 24 helpful votes
For he sees that even the wise die; the fool and the stupid alike must perish and leave their wealth to others.
1 Samuel 15:2-3 ESV / 24 helpful votes
Thus says the Lord of hosts, ‘I have noted what Amalek did to Israel in opposing them on the way when they came up out of Egypt. Now go and strike Amalek and devote to destruction all that they have.
Do not spare them, but kill both man and woman, child and infant, ox and sheep, camel and donkey.’”
Leviticus 20:13 ESV / 24 helpful votes
If a man lies with a male as with a woman, both of them have committed an abomination; they shall surely be put to death; their blood is upon them.
Hebrews 3:12 ESV / 22 helpful votes
Take care, brothers, lest there be in any of you an evil, unbelieving heart, leading you to fall away from the living God.
2 Corinthians 4:4 ESV / 22 helpful votes
In their case the god of this world has blinded the minds of the unbelievers, to keep them from seeing the light of the gospel of the glory of Christ, who is the image of God.
Deuteronomy 17:2-5 ESV / 22 helpful votes Helpful Not Helpful
“If there is found among you, within any of your towns that the Lord your God is giving you, a man or woman who does what is evil in the sight of the Lord your God, in transgressing his covenant, and has gone and served other gods and worshiped them, or the sun or the moon or any of the host of heaven, which I have forbidden, and it is told you and you hear of it, then you shall inquire diligently, and if it is true and certain that such an abomination has been done in Israel,
then you shall bring out to your gates that man or woman who has done this evil thing, and you shall stone that man or woman to death with stones.
That's only a few, more here
https://www.openbible.info/topics/killing_non_believersSo as long as a Person calls themselves a Christian they have to follow that scripture,
its easy to see why no one wants to really follow the bible,
Isnt it fun to pick out a few examples of a Religious Handbook to say they r all extremists because the book says ?