Tasteless? Yeah. Racist? Maybe. Stupid? Only if you believe in understatement.
That ad is an insult to gang members. The 'boyz' look like some fourth-rate casting director's idea of a gangsta, or maybe a Wayans parody. The 'rap' makes even bad rap look good.
The guy who made this is either an idiot or is secretly working for Hahn, as this makes her opponents look worse than it makes her look.