Quality assessments are made on the basis of Wikipedia:Version 1.0 Editorial Team/Assessment.
Importance assessments: Wikipedia:Version 1.0 Editorial Team/Release Version Criteria#Importance of topic
How do we get 2000–2009 in fashion a better rating? It deserves at least a B (or even A) as it has no obvious biases or inaccuracies, all the main points are covered, every paragraph is referenced, and there are images illustrating the text