Sceptical

/ˈskɛptɪkl/

not easily convinced; having doubts or reservations: "the public were deeply sceptical about some of the proposals"

Dismissive
/dɪsˈmɪsɪv/ feeling or showing that...

Critical
/ˈkrɪtɪkl/ expressing adverse or...

AI and the Machine
It is impossible to create a work of art...