You should probably email the authors if you think that's true. I highly doubt they didn't do a literature search first though...

You should be more skeptical of marketing releases like this. This is an advertisement.

They also reference Parke and Taylor. Several times...

Don't underestimate the willingness of physicists to skimp on literature review.

After last month’s Erdos problems handling by LLMs at this point everyone writing papers should be aware that literature checks are approximately free, even physicists.