See... here's the trouble. They book that all these factions pull their beliefs from was, at some point, written by a bunch of mysognstic goat herders wandering around in the desert having divine hallucinations. If you believe that they're conveying the word of an all-loving (yet genocidal), all-knowing (yet he bothered to put us all in Eden knowing we'd get kicked out anyway), all powerful (but he lets all life on Earth suffer mightily just for the sake of it) god, you don't really get to pick and choose which parts of it you like.
Either the book is the divine word of the lord, or it's something a bunch of people we know next to nothing about wrote in an alcove while they waited out a sandstorm. If it's the former, you're kind of screwed about the parts you don't like (and the parts that don't make sense, and the parts that contradict the other parts and....). If it's the latter, and you're just going to listen to humans for an explanation as to how the universe works, you may as well just go ahead and drop the religion thing altogether.
I'm with Bill Dog. Either take the whole part and parcel - including the mysognism, bigotry, violence, and racism - or drop the pretenses and just go secular.
P.S.: I was raised Lutheran too... by a bunch of weathered, racist, homophobic, angry rednecks. Not a good introduction to religion.... as you may have noticed.