Would the following phrase be considered positive or negative?

presents a fascinating but flawed look at the near future

positive

Would the following phrase be considered positive or negative?

that it 's more than a worthwhile effort

positive

Would the following phrase be considered positive or negative?

a metaphor for a modern-day urban china searching for its identity .

positive

Would the following phrase be considered positive or negative?

like shiner 's organizing of the big fight , pulls off enough
positive