ancient art basically

Why We Can't Judge Ancient Art

Basically, anything like cooking, painting, music, pottery – anything aesthetic – cannot be judged properly. Because modern tastes are so different from what they used to be, what a 17th-century Ottoman would have found sublime we might call meh. And vice versa.

Now this is all up for debate, of course, but it seems pretty convincing to me. Taken from this askhistorians thread.