Is Hollywood stage-struck?

Variety.com: "It's a common casting maneuver to replace the stage actor, no matter how acclaimed, with another thesp. In the upcoming movie version of John Patrick Shanley's 'Doubt,' for instance, lead roles played on stage by Broadway regulars Cherry Jones and Brian F. O'Byrne will be taken on by the more Hollywood-friendly Meryl Streep and Philip Seymour Hoffman."