Human cells can write RNA sequences into DNA
phys.orgThe original preprint article:
https://www.biorxiv.org/content/10.1101/2020.12.12.422516v1....
The published reviewed article in PNAS:
Dr. Doug Corrigan seems to have more of a history in pseudoscience and pushing religious theories than science, not sure what the relevance of his blog is here, other than that it's rehashing the original source and weaving conspiracy theories into it.
It is not meant to be an appeal to authority, so the persons history/reputation is not relevant, but just their arguments.