Well the Palestinians are the original Canaanites so this 'phobia' has been around for awhile between the groups.
https://www.washingtonpost.com/news/speaking-of-science/wp/2017/07/27/ancient-dna-solves-mystery-of-the-canaanites-reveals-the-biblical-peoples-fate/?utm_term=.be987c489f1e
