Glory to ALLAAH, The Lord of the Worlds
First of all i would like to mention the meaning of the word ISLAM which means PEACE. Here are 6 reasons that ISLAM does not command to kill innocent non-muslims instead it commands to be kind, just, save them, protect them, honour which many religious doctraines do not give. I am giving explanation only from Qur’an & Authentic ahadeeth.
(1) SAVING ONE =1000 SAVED
if anyone killed a person not in retaliation of murder, or (and) to spread mischief in the land – it would be as if he killed all mankind, and if anyone saved a life, it would be as if he saved the life of all mankind. [al-Maa’idah 5:32]
(2) plead of ALLAAH’s Messenger (peace on him) for non-muslims against Muslim on the Day of Judgement
The Prophet (blessings and peace of Allah be upon him) said: “If anyone wrongs a mu‘aahid [non-Muslim living under Muslim rule], detracts from his rights, burdens him with more work than he is able to do or takes something from him without his consent, I will plead for him (the mu‘aahid) on the Day of Resurrection.”
Narrated by Abu Dawood (3052); classed as hasan by Ibn Hajar in Muwaafaqat al-Khabr, 2/184; classed as saheeh by al-Albaani in Saheeh Abi Dawood
(3) KILLING SINGLE NON-MUSLIM leads to REJECTION OF PARADISE
It was narrated from ‘Abdullah ibn ‘Amr (may Allah be pleased with him) that the Prophet (blessings and peace of Allah be upon him) said: “Whoever kills a mu‘aahid will not smell the fragrance of Paradise, although its fragrance may be detected from a distance of forty years.”
Narrated by al-Bukhaari (3166)
(4) TO BE KIND & JUST WITH NON-MUSLIMS
Allah does not forbid you to deal justly and kindly with those who fought not against you on account of religion and did not drive you out of your homes. Verily, Allah loves those who deal with equity.
(5) WOMEN, CHILDREN, OLD MEN is not be harmed in battlefield while we see many nations expect, kill all the women, children, old men without any mercy, brutally example, USA invaded Iraq and killed many innocents nearly 6,00,000. While Islam forbids such brutal act
At times of war against the kuffaar, it is not permissible for a Muslim to deliberately kill a kaafir child or woman who is not bearing arms against the Muslims or helping in the fight. It was narrated that the Prophet (peace and blessings of Allaah be upon him) said to the Muslim army: “Go out in the name of Allaah and by the help of Allaah, following the way of the Messenger of Allaah. DO NOT KILL ANY OLD MAN, INFANT, CHILD OR WOMAN… SPREAD GOODNESS AND DO GOOD, FOR ALLAAH LOVES THOSE WHO DO GOOD.” (Narrated by Abu Dawood, 2614; its isnaad includes Khaalid ibn al-Faraz, of whom Ibn Hajar said in al-Taqreeb, he is maqbool (acceptable) i.e., if there are corroborating reports)
(6) As mentioned above USA not only killed many innocents but also made a huge infrastructural loss collapse of buildings, homes…while Islam forbids not only forbids to cut the trees it even forbids to cut the fruit of the very same tree
Abu Bakr al-Siddeeq (may Allaah be pleased with him) gave to the commander of his army: “I advise you of ten things: do not kill a woman, or a child, or any old person, or cut down any fruit trees…” (al-Muwatta’, 982,Kitaab al-Jihaad).
I do not deny the fact that there are verses which commands to kill disbelievers and hostile enemies of ISLAM, but these verses are only applicable in battlefield and against the hostile enemy of ISLAM who tries to destroy ISLAM but not the innocent non-muslims.