Task: Analyze the valence intensity exhibited in the snippet, assigning a score on a continuum from 0 (extremely negative) to 1 (extremely positive), capturing the emotional context conveyed.
Snippet: The pain, loneliness and insecurity of the screenwriting process are vividly and painfully brought to slovenly life in this self deprecating, biting and witty feature written by Charlie Kaufman and his twin brother, Donald, and directed by Spike Jonze.
Intensity score: 