The quotes are here: https://freerepublic.com/focus/f-news/3982276/posts
Here is a link to the brief remarks concerning the case, emanating from the US Supreme Court ...
https://www.supremecourt.gov/opinions/20pdf/20a169_4f15.pdf
Why should the courts wade into this? I can conjure many alternative reasons for Kavanaugh and others who wish to defer. Congress signaling an intention to take up legislation, for example - let it proceed rather than muddy the process with a ruling.
Notice that Kavanaugh objects only because there is not a specific grant of authority from Congress to CDC. IOW, Kavanaugh says the moratorium would be fine if Congress issued it.