Conversation so far:
Was rapper Bushido considered a misogynist and homophobic?
Rapper Bushido provoked much discussion through his use of controversial song lyrics, which can be interpreted as being misogynistic, homophobic, sexist and violence-glorifying.
Did controversial song lyrics, which can be interpreted as being misogynistic, homophobic, sexist and violence-glorying, make rapper Bushido any less popular?
Was there any particular album by Bushido that provoked discussion the most?
Were there any protests or anything like that during Bushido's performance?
In late August 2007, rapper Bushido was criticized for his involvement in the concert Schau nicht weg, a campaign against violence at schools, organized by Bravo and VIVA.

Question: What did he do to them?
Self-contained rewrite: What did rapper Bushido do to critics of his involvement in the concert Schau nicht weg, a campaign against violence at schools, organized by Bravo and VIVA?