They took on the name as they focused on injustices worldwide, but particularly in western democratic society. Their lyrics have often been controversial and some radio stations have banned airplay of their songs, while other groups refused to be associated with them.
Birmingham 6 has written several songs questioning governmental systems and their unwillingness to admit their own fallibilty. "Israel" talks about the issues between the Palestinians and the Jews. "Contagious" discusses AIDS and "Who Do You Love?" points out the difficulty in telling good from evil. The song "6794700" describes some hypocritical church views on abortion. "Love Child" describes how the tourism agency in Thailand helps Western travel agencies fulfill certain men's desire for an underage prostitute.
The song "Policestate" talks about the riots in Copenhagen in 1993 during the re-voting for the European Union in which police shot into the angry mob, causing several casualties.