His anatomy is not fine. It is lack of knowledge. He's "choosing" to draw that way, because he never took the time to learn how to draw very well.
Think I'm being unfair? Okay, here: His pinups, and comics are of marginally better quality.
True, he is invoking Bruce Timm's artwork... poorly. Bruce Timm is actually a good self-taught artist that took the time to teach himself the basics and worked hard to develop his skill to an expert level. SR7 did not, and after years has not, and at this rate never will. He apes Bruce Timm's style by copying his character's faces, and hair, that's it. All SR7 poses look flat, like paper cut-outs, and have none of the dynamism that an actual comic book artist would create. It's very low-effort. The fact that he draws characters 'bustier' than Timm's style is like, the 9th thing wrong with SR7 "style". I could forgive it all if he could just understand how a woman's hips, thighs, and pelvises work. Don't get me started on his weird-looking camel toe he insists on putting on every girl.
Look, I know I'm ranting here so I apologize. Something Unlimited is still one of the better erotic games that exist, but the bar for that is very very low.