Is Hunter & Gather 100% Avocado Oil Mayonnaise healthy?

Hunter & Gather 100% Avocado Oil Mayonnaise scores 52/100, Grade C, on HealthierCart. Category: condiments. No flagged additives.

Ingredients: Pure Avocado Oil 80%, British Free Range Egg Yolk 9%(RSPCA Assured), Filtered Apple Cider Vinegar, A pinch of Pink Himalayan Salt