I make my mayonnaise by hand. Olive oil gives mayo a shitty overflavored taste, so I usually use grapeseed oil. So the only point to have it in mayo is to have a selling point, in order to create the impression of being healthy. Here's what this abomination of an attempt at being food contains: https://www.walmart.com/ip/Kraft-Mayonnaise-With-Olive-Oil-30-oz/14574584