What's so good about Foetus then? Well, it's definitely not to most people's tastes but I think it's genius. Complex arrangements, instrumentations and orchestrations, the way he mixes and mashes up just about every musical genre ever invented, from trance techno to big band to classical to metal in a celebration of industrial style musical jouissance, his hilarious, piercing acidic lyrics. I dunno, better you listen for yourself, because it doesn't matter. Most people find Foetus totally unpalatable - I don't want to come over pretentious, but Foetus is really for the few who think too much, are easily bored, so inclined and need a whole lot more than the daily clutter you hear on FM radio.
My fave track at the moment is Chimera [clicking on link is strongly recommended! Go on - I know you want to]. It's a cocoon of perfect contradiction and dichotomy - tender and acidic, beautiful and totally insincere, a pastiche of longing and desire. Total genius! ;-)