You are correct. I have an older pastor I’m close friends with who knew Walter Martin. He described the way he took over the ministry and his treatment of Dr. Martin’s widow as shameful.
Another thing about Hank, he has refused financial accountability. I stopped listening, or paying attention to his books, 20-25 years ago, so that criticism may have changed.
Far different from the founder: http://www.waltermartin.com listen