Don’t really see the issue. Would this not be down to the fact that more Catholics go into law than Evangelicals?
It has been pointed out often how many Jews are in congress (Jews in the loosest sense of the word) compared to the general population. Its just that more Jews decide to go into politics.
My concern is whether a justice is an originalist and that their originalist interpretation is correct. If they are, they will vote in a pro-Christian way because the original constitution is pro-Christian.
I’d be surprised if Protestants comprised less than 1/9 of the nation’s jurists.