Did the survey, though it seems like some of the questions a person could answer multiple points and you only allowed for one. Food for thought.
The survey also didn’t ask the question your post does…
I think it’s pretty obvious, olive oil is a more expensive oil. On the order of 2-10x more expensive than vegetable oils (sunflower, canola, corn, etc) depending on the quality of olive oil you get.
New studies coming out it prevents dementia. It’s almost a superfood. I’ve been taking a tbsp a day for a month and can easily notice I have more cognitive abilities. I put it in protein shakes as well. Look up Lewis howes he brings board certified specialists on and every one has been speaking of olive oil as of recent