Perhaps Bishop Boyea’s explanation falls under the heading, “All God’s Works are Eternal.”
Undoubtedly
That may be true but it’s really irrelevant. Those translations are/were just a guide to follow the Latin and vary from handmissal to handmissal. They work for some and bother others like me. And FWIW, it’s almost certain that a first-year Latin student would have probably translated some of the Latin (like “Dominus vobiscum,” “sursum corda,” etc.) differently.
The first thing we need to understand is why the Creed uses the word “begotten” and expressly avoids the word “created.” The verb beget is traditionally used of a father, and it means “to father a child.” God the Father begat God the Son. It is not the same as creating. A father begets a child who is of the same nature and substance as the father: man begets man, horse begets horse. A man creates something unlike him in nature and substance: man creates a statue, a car, a house.
there are on-line downloadable articles on this and all aspects of the changes, including the side-by-side old and new, on the bishop’s website, ussccb.org, click on new Roman Missal. it takes some navigation and investigating to see if each article is what you want, and the tab titles are confusing, but browse around.