The argument notices a real Quranic distinction: outward submission is not always inward faith. But it does not prove that Islam began as forced belief; it proves that Islam judges public allegiance by outward words and actions, while true faith belongs to the heart and cannot be produced by a sword.
Why the argument can sound strong
The strongest version is this: the Arabic root aslama can mean to submit or yield. Quran 49:14 tells some Bedouins not to claim deep faith, but only outward submission. Quran 48:16 speaks of fighting a powerful people "until they submit." Surah 110 says people entered Allah's religion in crowds after victory. Then the hadith says the Prophet (PBUH) was commanded to fight people until they testify to Allah's oneness. So, the critic says, "Islam" originally meant capitulation to Muslim power, not free conviction.
That is a serious reading because it is built on real texts. The question is whether it reads them completely.
Outward Islam is not the same as inward iman
The Bedouins say, "We believe." Say, "You have not believed; rather say, 'We have submitted,' for faith has not yet entered your hearts."
Quran 49:14
This verse actually weakens the objection. It openly admits that a person may enter the outward community of Islam before iman has settled in the heart. Classical scholars commonly distinguished between Islam as outward submission - prayer, testimony, public loyalty - and iman as inward belief and certainty. Sometimes the two words overlap; sometimes, as here, they are separated.
So yes, one could be treated legally as a Muslim by outward profession while lacking full faith. But the verse does not praise hypocrisy, nor does it say forced words equal salvation. It says the opposite: Allah knows what has entered the heart. Public law deals with public acts; eternal judgment belongs to Allah.
Fighting in these texts is political and military, not mind control
Say to those Bedouins who stayed behind, "You will be called against a people of great military might; you will fight them, or they will submit."
Quran 48:16
This was addressed to people who had avoided joining the Prophet (PBUH) in a dangerous moment and were later told they would face a real military test. The verse speaks about war against a hostile power, not random civilians being forced to adopt beliefs. "Submit" here may include surrender to Muslim authority or accepting Islam, depending on the context, but neither meaning proves that faith itself is coerced.
The Quran sets a wider rule:
There is no compulsion in religion. Truth has become distinct from error.
Quran 2:256
Muslim jurists did not understand jihad as permission to force hearts. Non-Muslim communities lived under Muslim rule without becoming Muslim. This is why the legal tradition discusses treaties, protection, and jizyah; those categories would make no sense if everyone were simply compelled to convert.
Surah al-Nasr describes a real mass entry, not proof of insincerity
When the help of Allah and the victory come, and you see the people entering the religion of Allah in crowds, then glorify the praise of your Lord and seek His forgiveness.
Quran 110:1-3
Mecca's conquest certainly changed Arabia's political reality. Many tribes had been waiting to see whether Quraysh could defeat the Prophet (PBUH). When Mecca fell with a broad amnesty and without a massacre, delegations came in large numbers. Some were deeply convinced, some were newly persuaded, and some were outwardly joining the new order. The Quran itself is not naive about mixed motives.
The hadith also has to be read with the Prophet's (PBUH) practice:
I have been commanded to fight the people until they testify that there is no god but Allah and that Muhammad is the Messenger of Allah.
Sahih al-Bukhari 25
This means armed opposition to the prophetic mission in that setting was fought until public resistance ended through the testimony of Islam. It does not mean Muslims may force private belief. When a man was killed after saying the testimony, the Prophet (PBUH) rebuked the killer and said, "Did you split open his heart?" as narrated in Sahih Muslim.
So the objection establishes one limited point: the Quran uses "Islam" at times for outward submission, and early Islam had a public, legal, and political dimension. It does not establish that Islam is mere surrender at sword-point, or that faith is valid without conviction. The Quran's own distinction is clearer and more honest: people can submit outwardly, but only Allah grants and judges true iman.