This is a well known opinion among Shi'ah and not among the Sunni school of thought.
I talked about about this here:
For example, Ibn Khaldun criticized the scribes of the 'Uthmanic Mushafs for their "bad" writing. He gave examples like adding
Again this spelling practice was around in even pre-islamic inscriptions and it's not related to the issue of the differences between 'Uthmanic Mushafs.
"Even if it were a scribal error... God is not to blame, nor his messenger. And if it were the Quran's fault, then it would be faulted for all scribal errors that ever occur when copying a mushaf!"
It's clear that those scholars were questioning the reader not the Qur'an.
More to come on this...
It was mentioned in the interview that classical Muslim scholars never said that the Qur'an is a word for word preservation...At-Tabri was mentioned among other names.
Does this opinion compromise the concept of preservation of the Quran?
This still meets the criteria of the Qur'an being preserved.
The statement of Ar-Razi is very clear.
Also, Al-Qurtubi's name was mentioned. Al-Qurtubi has a clear statement: