For much of the past eight years, Channel 4, the British free-to-air public broadcaster, has felt louder than ever. More confrontational. More willing to step into contested territory. More determined to provoke a reaction rather than quietly earn one. Behind that noise, a quieter and more complicated conversation has been playing out among the people who actually make its programs. That tension defines Ian Katz’s tenure more than any single commission. When Katz arrived in 2017, he was not the obvious candidate. His background was in journalism, not television production. He had edited Newsnight, not built formats or sustained returning series. He brought a sharp instinct for narrative and public debate. What he did not bring was a track record of delivering repeatable hits at scale. That distinction shaped both his strengths and his limitations. Inside Channel 4, Katz pushed hard on what the broadcaster should say. The slate leaned into difficult subjects, from dramas like It’s a Sin, to fast-moving stories designed to land in the middle of national conversations, including investigations such as …