Just try, just dare, to walk away, walk out, retire from the top, leave the mainstream.
You will be a target for ridicule, a joke to a clown who is happy enough to walk out on stage and do the same thing night after night, year after year decade after decade.
Letterman is looking for nothing but someone else to make fun of, Same old same old.
Phoenix is showing up, he is doing his promo job. I don't see anything wrong with his behavior. I just see a rude, smarmy host.
It appears Joaquin Phoenix has his reasons and they are quite understandable.