Look at what Vincent van Gogh did without substances:
You are really out of your depth in this thread.
You have had absolutely no experience whatsoever with anything remotely similar to Ayahuasca and are really just trying to confirm your own point of view.
But Vincent van Gogh was an absinthe addict and his paintings reflect his alcoholic obsession.
But you wouldn't know that, would you?
Because you think that his work somehow validates your shallow perspective of life.