The argument I made is that the process of deciding what is art is intersubjective across time. That doesn't require "consistency in the reception history". It'

The argument I made is that the process of deciding what is art is intersubjective across time. That doesn't require "consistency in the reception history". It's common for something to be considered art and then forgotten or for something else to be considered not-art and then promoted. It just means everyone gets a vote about whether something is art, the election never ends, and the things that survive and are considered to be art are art. If I say "Eat Pray Love is not art," I'm doing two things: casting my vote and predicting that, in the future world, by popular vote, no one will consider Eat Pray Love to be art.