With the negative contents, obviously gives a negative impact. As some may already know N.W.A started the new beat with their debut album "Straight Outta Compton" and song "F*ck The Police" that raps about how the Police beating up black people for no reason in the intro. Some blame this music genre with these types of lyrics is what started the rise on the crimes committed by young teenage African Americans.
Figure 1 is a modern art piece of the "Fresh Prince" in front of his fans, If you look at this art piece closely you will see weapons
Gangsta rap is one of the most misunderstood styles of hip-hop (probably because of all the swearing). Contents of the lyrics and especially the music videos with the raw imagery of weapons, swearing and violence