It is a fact that many embryos go through stages similar to portions of that organism's evolutionary history. This fact alone justifies the cautious phrasing o

It is a fact that many embryos go through stages similar to portions of that organism's evolutionary history. This fact alone justifies the cautious phrasing of the great-grandparents comment, in my opinion. Since this fact is also indicated in the excerpted quote you criticize, I think the quote served it purpose. (Though I would agree the 'reflect' can be misinterpreted).