Despite his success in revitalizing Marvel, Shooter angered and alienated a number of long-time Marvel creators by insisting on strong editorial control and strict adherence to deadlines. Although he instituted an art-return program, and implemented a policy giving creators royalties when their books passed certain sales benchmarks or when characters they worked on were licensed as toys, Shooter occasionally found himself in well-publicized conflicts with some writers and artists. Creators such as Steve Gerber, Marv Wolfman, Gene Colan, John Byrne, and Doug Moench left to work for DC or other companies. Roy Thomas, who left Marvel following a contract dispute with Shooter, reflected in 2005 on Shooter's editorial policies: