I think your parent's implication is that the articles would be improved by answering the question posed in their last paragraph: 'So I guess my question is how

I think your parent's implication is that the articles would be improved by answering the question posed in their last paragraph: 'So I guess my question is how would the proposed manufacturing process in this article be an improvement? Cheaper manufacturing costs? Even higher efficiency if you had "multi-junction cells" made using the processed discussed?'