If you look at the actual study the effect size is very slight https://www.researchgate.net/profile/Isabel-Gauthier/publication/378009214_Reduced_food_neophobia

If you look at the actual study the effect size is very slight https://www.researchgate.net/profile/Isabel-Gauthier/publication/378009214_Reduced_food_neophobia_and_food_disgust_in_colorblind_men/links/665721efbc86444c720b4508/Reduced-food-neophobia-and-food-disgust-in-colorblind-men.pdf https://www.researchgate.net/profile/Isabel-Gauthier/publica... The correlation may be just above what the author thinks is significant but eyeballing the data I would say the effect size is simply too small for there to be any meaningful conclusion taken from it.