Conversation so far:
What was unique about Girl Generations lyrics or themes?
Although most Girls' Generation's releases are written by songwriters for S.M. Entertainment, some members occasionally participated in songwriting.
Who was some of the girls who did the songwriting for Girls' Generation?
Member Yuri wrote the lyrics for Mistake.
What year was the song Mistake released?
2010
What other songs did Girls' Generation write besides Mistake?
Sooyoung penned the lyrics to How Great Is Your Love“
What theme was Girl Generation known for?
The group's main lyrical themes as characterized by Chris True from AllMusic are dance party and girls night out.“
What other themes were the Girls' Generation known for besides dance party or girls night out?
Ceejay Lee from feminist magazine Fem criticized the generic themes of Korean girl groups like Wonder Girls or Girls' Generation as sexist.

Question: Why was they criticized for their theme?
Self-contained rewrite: Why were Girl's Generation criticized for their theme?