Dirk,
I do understand. The thinking behind the 'minimum 30 degree bank' is that if you are too slow the first sign is a higher rate of descent which is easily recovered from by levelling the wings.
It also ensures that both wings are at almost the same speed so that one wing doesn't stall before the other.
Furthermore, there is less urge to 'rudder' the turn more to tighten it.
There is little tendency to pull harder as the turn onto final is usually 'high' as the final approach will usually be the time where final flap settings will be made or the airbrakes increased accordingly.
Most satisfying is the final turn flowing into a nice side-slip flowing into the flare and three point touch down.