Did they fund the study? It sounds like they were simply promoting, writing about it?
Here are authors, they don't seem affiliated with the OP's "Plant based news" article.
Can't really fault an organization from promoting a study that aligns with them.
Authors and Affiliations
Laboratoire de Psychologie Cognitive, Aix-Marseille Université, Marseille, France
Katherine L. Bryant
Hungry Heart Farm and Dietary Consulting, Conley, GA, USA
Christi Hansen
Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
Erin E. Hecht
Here are authors, they don't seem affiliated with the OP's "Plant based news" article.
Can't really fault an organization from promoting a study that aligns with them.
Authors and Affiliations Laboratoire de Psychologie Cognitive, Aix-Marseille Université, Marseille, France
Katherine L. Bryant
Hungry Heart Farm and Dietary Consulting, Conley, GA, USA
Christi Hansen
Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA
Erin E. Hecht