I think they meant critical as in a critique rather than a criticism. They are requesting discussion and exploration of the history and ramifications of China'

I think they meant critical as in a critique rather than a criticism. They are requesting discussion and exploration of the history and ramifications of China's policy, what the meaningful ROI and costs have been, and what the other (4-ish) countries that had the capacity for that sort of investment got out of non-investment (investment in other things).