According to Rolling Stone, which spoke to 13 members of the cast and crew, roughly 80 percent of the show was complete when Seimetz left the project. Levinson, who took over as director, reportedly scrapped all of the work and began rewriting and reshooting the entire show.
The Rolling Stone report speaks to the flux on Seimetz's set. She was given unfinished scripts, and she needed to write and revise as she went along. Multiple sources felt that Seimetz had been saddled with an impossible task, given the budget, time, and high expectations.
Another rumor, substantiated by two different sources, is that The Weeknd disliked the amount of focus on Depp, and wanted the show to focus more on his character. He also favored de-emphasizing the cult aspect of his character, and focusing more on the romance between Jocelyn and Tedros.
The switch of directors also meant a massive turnover in crew, and several of the actors and extras who appeared in Seimetz's cut do not appear in Levinson's cut. Levinson kept most of the name actors, however, and he added additional ones, including Kim and Sivan.
In the wake of the report, HBO released a public statement, acknowledging the creative change in direction: “The creators and producers of The Idol have been working hard to create one of HBO’s most exciting and provocative original programs. The initial approach on the show and production of the early episodes, unfortunately, did not meet HBO standards so we chose to make a change.
Throughout the process, the creative team has been committed to creating a safe, collaborative, and mutually respectful working environment, and last year, the team made creative changes they felt were in the best interest of both the production and the cast and crew. We look forward to sharing The Idol with audiences soon."