SFGATE reporter Michelle Robertson on Banksy's critique of an art world he actively participates inPhoto of Starting at $40 a ticket and reaching $70 on weekends, the new — unauthorized — “Art of Banksy” touring exhibit has landed at San Francisco’s Palace of Fine Arts, and tickets are already selling out quickly. Brought to the city by Starvox Exhibits, the same group responsible for the “Immersive Van Gogh” show that came to San Francisco in 2021, “The Art of Banksy” brings together more than 100 artworks by the secretive, anonymous artist, with the value of the pieces totaling more than...