In my view sanchin dachi of goju is an excellent example of how you don't need to artificially "load" the hip: the sanchin already lets you do this as part of stepping into the stance.

Consider my addendum and the video embedded in it, showing the sanchin hip use both to add momentum to a technique (at the end of the video) and as a weapon in itself (at the beginning of the video, shown as a clinch technique):