Peter Dimond, a Sedevacantist and advocate of the "Feeneyite" understanding of extra ecclesiam nulla salus (*), has posted a very useful video on Thomas Aquinas' (1225-1274) view of the Immaculate Conception of Mary, arguing that Aquinas did not teach the Immaculate Conception of Mary, contra some Catholics who try to argue otherwise (e.g., Gerry Matatics):
For a discussion of the biblical and patristic witness against the Immaculate Conception (and, related to such, the personal sinlessness of Mary), see chapters 2 and 3 of my book:
(*) this explains the rant at the end about baptism of desire, something they have written a great deal about, including the book, Outside the Catholic Church There is Absolutely No Salvation
