His ignorance of Protestant beliefs is astounding. His probably ought to stick to speaking about things he knows about, if any.
In the interest of Ecumenical discussion, what does he get wrong?
I will be the first to say that it is very hard to cover all Protestant beliefs about any doctrine. There are just so many of them. But Kreeft does get it right for many Protestant denominations.
This is a brief story of his faith upbringing and conversion
http://www.peterkreeft.com/topics/hauled-aboard.htm