[et-al]

That statement is similar to the "everything has been done before", or "everything is art" reductivism.

There's a marked difference between fixing the color shift to better capture the mood and straight up removing people like Stalin's photos.

[dont_forget_me]

Post-modernism is like salt and pepper. A small appropriate amount of salt-pepper would make a meal great. But salt and pepper by themselves can never be a proper meal. In similar vain, you need post-modernism to get a borader perspective of things. But that doesn't mean post-modernism, by itself, cannot be the only way to discuss things.