Three months after former Hulu executive Jason Kilar was named CEO of WarnerMedia, he has decided to restructure the company's executive ranks and prioritize HBO Max, resulting in the exits of top execs Bob Greenblatt and Kevin Reilly. Going forward, Warner Bros. CEO Ann Sarnoff will lead an expanded content group called the Studios and Networks Group that encompasses WarnerMedia's entire portfolio, while HBO programming president Casey Bloys will extend his purview to HBO Max and WarnerMedia's linear cable networks such as TBS, TNT and TruTV, which were previously overseen by Reilly. Bloys will report directly to …