Appeal to Antiquity is the line of thinking that an idea old being old, means that it is better. The fact that something has been done for a long time is treated as evidence. This argument is usually fueled by stubbornness, and a lack of historical context. It avoids evaluating a topic for it’s actual merits or disadvantages.
Ayurvedic medicine has been used for thousands of years, therefore it must have some medicinal value.
Great example Truckee. This is one of my favourite tarot card