I didn't think she got in the way that much really. I did leave her to get attacked at one point when she jumped across this ledge. Then a few moments later she let the chainsaw guy cut my head off as revenge. NICE.
Yeah I thought it was supposed to be a fast-paced action game and you can't move and shoot? Lame. Also, they need to sort out a proper aiming icon, none of this red laser beam shit.