Deletion of Forward Castes

Comment: In the 21st century it seems inapproptiate to label the disadvantaged and discriminated-against half of the population of a country as "Backward" which Wiktionary defines as "Reluctant or unable to advance," "undeveloped or unsophisticated" leaving the top 1/3 labelled as "Forward." How does the "backward people" "forward people" labelling not violate 
Stance: delete
Cited policy: Wikipedia:Biographies of living persons (WP:BLP)