What do you think about twiblings???

In a recent New York Times article, an infertile couple decided to have IVF with an egg donor and then have a gestational carrier. There are many ethical and moral  questions that arise from this type of pregnancy.  And to add a curve to the story they wanted twins so they asked two separate gestational carriers to have the babies around the same time.  The process is the same whether the people who will raise the children are biologically related or not,  There must be a birth plan, including decisions on cord blood banking, who would attend the birth and what about breast feeding.  This article seems to cover all the bases whether you agree with the process of not.  We’d like you thoughts.