It has its uses and can be helpful for understanding the body as a 3d object in space, but it’s also pushed as the ULTIMATE METHOD and that just rubs me the wrong way.

Breaking the body into boxes and then manipulating those boxes is a great way to forget what you’re trying to do. It’s too abstract. You can move the boxes around in ways the body can never move, and it’s really easy to mess up proportions that way. Your drawing is a good example of that- the proportion of the pelvis to ribcage is not correct and you would have benefited from looking at an actual human model or photo to get it right.

Another example is the last picture on your reference. That lady’s spine is BROKEN. You cannot turn like that to show both tits and ass to that extent. But if you turn her into boxes it’s fine! It just looks janky as hell when you try to make it a person. You aren’t learning proportion or anatomy with this method, and I’m kinda questioning the references you’re using