The mega-gallery embraced a fantasy of endless growth and hype and the assumption that bigger means better. The consequences arrived last week. Above: Pace’s “Superblue” exhibit in Hong Kong. Pace Gallery is the Fyre Festival of mega-galleries: all branding, hype, ambition, and promises of a future that never arrives. Of the four mega-galleries, Pace is the purest expression of a 20-year art-world belief that scale equals significance.