Back in 2008 I noted the following:
Has anyone been thinking about this?
elsewhere in this conference we have debated the question as to whether the scribes of early Christian manuscripts were Christians or not. The singular readings and scribal habits could contribute to this debate. Royse, for example, argues that the scribe of P66 is certainly a Christian (J.R. Royse, Scribal Habits in Early Greek New Testament Papyri (NTTSD 36; Leiden: Brill, 2008, 501); on the basis of the harmonisations to parallel passages elsewhere in the NT (as well as the use of nomina sacra and the staurogram). This could be extended similarly to the other papyri discussed here: P45 has harmonisations to parallels in other (canonical) gospels 8 times in the singular readings; P46 has harmonisations to the LXX (2X), and from 1 Cor 11.24a to the parallel gospel text of the words of institution (Matt 26.26); P47 has a harmonization to Luke 4.33 at Rev 14.15; P72 has 7 harmonisations to remote parallels (in Col, Heb, Rev etc.); P75 has 5 singular readings which harmonise the text to remote (NT) parallels. This data suggests that the scribes have a general awareness of other NT texts, which suggests they were probably active participants in the life of the church.(From Juan Hernández Jr, Peter M. Head, Dirk Jongkind, and James R. Royse, Scribal Habits in Early Greek New Testament Papyri: Papers from the 2008 SBL Panel Review Session)
Has anyone been thinking about this?