The show has also been criticized for having declined in quality since its "uncancellation" for reasons including its constant recycling of jokes, its departure from the more smart, dialogue based humour of the first three seasons in favour of shock and gross-out humour and drastic changes in the characters, for example, Brian was originally portrayed as the voice of reason in the family with a dry sense of humour eventually became an alcoholic, preachy, atheist (despite previously proclaiming belief in God in earlier episodes), marijuana smoking hypocrite who served the sole purpose of being a loud speaker for Seth MacFarlane's political views | The show has also been criticized for having declined in quality since its "uncancellation" for reasons including its constant recycling of jokes, its departure from the more smart, dialogue based humour of the first three seasons in favour of shock and gross-out humour and drastic changes in the characters, for example, Brian was originally portrayed as the voice of reason in the family with a dry sense of humour eventually became an alcoholic, preachy, atheist (despite previously proclaiming belief in God in earlier episodes), marijuana smoking hypocrite who served the sole purpose of being a loud speaker for Seth MacFarlane's political views |