yeah i ticked all the boxes, just in case, i have shown examples of the deformation before on other posts requesting something be done about this issue, getting pretty sick and tired of it, you can try it, use a daz morph with animal like legs, then import into cc3, you'll see the deformation distort, and compare daz shoulders to cc3 shoulders completely different, daz is more life like with better deformation!
Seems to me to be a feature request, not a bug. It would also be helpful to see some examples of what you are talking about.