Douglas Beaumont on Polygamy and How, Using Sola Scriptura, One Cannot Consistently Condemn Such

Douglas Beaumont, a former Protestant who converted to Roman Catholicism (and no friend to the Latter-day Saint faith!) was interviewed by Gary Michuta on polygamy and the Bible, presenting a case that the Bible does not condemn polygamy, and if one holds to Sola Scriptura, one cannot formulate a meaningful critique thereof:

02 Apr 2020 Dr Douglas Beaumont on Polygamy

Beaumont is correct that Sola Scriptura is a failure. I have a book-length critique thereof:

Not By Scripture Alone: A Latter-day Saint Refutation of Sola Scriptura

As an aside, Beaumont brings up the Catholic teaching on divorce and remarriage. However, the Catholic understanding goes against early Christian history. For documentation, see:

Divorce and Remarriage in the Church Fathers and Patristic Era Writers (Florilegium)