Regardless, the Qur'an depends upon the Scriptures, while Islam claims it was radically altered, yet it cannot produce the mss evidence needed to support its premise. In addition to problems with Qur'anic mss.
You and I would think that, but Muslims don’t. Part of the reason why they are so stubborn is because of the initial, early brainwashing.
They are not going to use any scripture they have deemed corrupt per the Quran to judge the Quran.
It’s circular reasoning, like most things religious.