Robert Downey Jr. appeared very unimpressed after Jimmy Kimmel poked fun at his past drug addiction during his opening monologue at the Oscars.Kimmel hosted the Oscars for the fourth time since 2017 yesterday (March 11) at the prestigious Dolby Theatre in Los Angeles, California. The comedian began the ceremony with a joke-filled monologue aimed at various actors and nominees including the likes of Ryan Gosling, Cillian Murphy and Christopher Nolan.In the monologue, Kimmel joked about Downey’s history of substance abuse, saying: “This is the highest point of Robert Downey Jr’s career… well, one of the highest points.”The reason why people are up in arms about Jimmy Kimmel's "jokes" about Robert Downey Jr., is a simple reason really.