First because she is now a celebrity and talks too much about that. Way too much meta material, almost none in the first one. She is too into herself.
Second because, like all stand ups, the material is much thinner. For the first one there was a development period of at least five years, but for this one only about one year, so much less substance and less testing time for it.
Second because, like all stand ups, the material is much thinner. For the first one there was a development period of at least five years, but for this one only about one year, so much less substance and less testing time for it.