Yeah, this game does suck pretty bad. The controls are whacked out, pin physics kinda goofy (the walls and backs bounce a TON), the graphics SUCK, the gameplay goes by very slowly... it has tons of issues. At least it has realistic oil patterns and several bowling balls to use!
Well, I figured out the best method for early in the Career mode when your on-screen counterpart is horrible. To avoid his constant inaccuary issues, just throw the ball as slow and straight as possible. I hit B while holding the controller at my chest with the buttons pointing straight up, then do a VERY slow, deliberate backswing and let go of the B button at the top of my backswing. I never actually swing my arm forward. The ball breaks maybe 3 boards left even doing this, but at least it's controllable. Carry sucks if you hit light (guaranteed 7 pin) or heavy (guaranteed 4-7), but at least you don't snipe 7 pins constantly from tugging it left or pitching it right into the gutter. Hopefully later in the career mode when my bowler gets more talent I'll be able to actually hook it.