While Ben Stiller has seemingly shifted into filmmaking full-time, he directed most of the hit sci-fi psychological thriller series, “Severance,” for Apple TV+; he’s obviously known for a celebrated comedy career. Directing and starring in hit comedies like “Zoolander,” “Tropic Thunder” and “The Cable Guy” (though only a tiny part in the latter), the comedian has reflected on the failure of “Zoolander 2” in a new interview with Fail Better podcast.