I agree with it in full, and will add that not only must Catholic prelates speak out against this, but all of us must. We cannot be silenced by a public policy that can only be characterized as unnatural and diabolical.
That being said, of course the hierarchy of the Church has the ability to speak for the Church as no layman can. So why not do it already? Late, very late, even too late, is still better than never. So far, the Vatican's response to the Obergefell decision can be read here. (Don't worry, the link is working properly. Open your mind.).
As stated I agree with the editorial in its entirety. After taking the particularly abysmal statement of Abp. Cupich to task, Rorate continues with the generally applicable portion, which I will repost below: