The release of Joker has prompted a good bit of discourse on the matters of mental health and the glorification of anarchistic violence. Somewhere amidst the din surrounding the film is the arc of the character himself and how we, the audience, ought to respond to him. The depraved descent of Joaquin Phoenix’s Arthur Fleck is nothing new on the cinematic landscape, though it’s been treated as such, depending who you talk to, firmly wedging Todd Phillips’s take on the Clown Prince into the ever broadening, inescapable camp of “polarizing” motion pictures. Fleck is the protagonist. But …