Question:
there are no multi-child discounts available for college.
Wrong again. Many private schools have legacy discounts that include
siblings.
Where I work, the sibling discount even works if two sibs are enrolled
simultaneously
Answer:
True. One of the colleges my twin nephews were considering would have given
them a special break on board and (I think) tuition if they had both
attended that college and roomed together. I think it's the one that Austin
ended up going to after all (the other nephew is going to trade school).
I agree with you. Either the author of the article didn't research very
well, or s/he ignored evidence that didn't support the agenda s/he was
trying to push with the article.